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1. ### www.mathsisfun.com › definitions › ratioDefinition of Ratio - Math is Fun

A ratio shows the relative sizes of two or more values. Ratios can be shown in different ways: • using the ":" to separate example values • using the "/" to separate one value from the total • as a decimal, after dividing one value by the total • as a percentage, after dividing one value by the total

2. ### www.thoughtco.com › what-is-ratio-definitionWhat Is a Ratio? Definition and Examples - ThoughtCo

Sep 16, 2019 · What Is a Ratio? In mathematics, a ratio is a comparison of two or more numbers that indicates their sizes in relation to each other. A ratio compares two quantities by division, with the dividend or number being divided termed the antecedent and the divisor or number that is dividing termed the consequent.

3. ### www.cuemath.com › commercial-math › golden-ratioGolden Ratio- Definition, Formula, Examples - Cuemath

The Golden ratio formula can be used to calculate the value of the golden ratio. The golden ratio equation is derived to find the general formula to calculate golden ratio. Golden Ratio Equation. From the definition of the golden ratio, a/b = (a + b)/a = ϕ. From this equation, we get two equations: a/b = ϕ → (1) (a + b)/a = ϕ → (2) From ...

4. ### www.investopedia.com › terms › sSharpe Ratio Definition - Investopedia

Jan 10, 2022 · Sharpe Ratio: The Sharpe ratio is the average return earned in excess of the risk-free rate per unit of volatility or total risk. Subtracting the risk-free rate from the mean return, the ...

5. ### www.britannica.com › science › golden-ratiogolden ratio | Examples, Definition, & Facts | Britannica

golden ratio, also known as the golden section, golden mean, or divine proportion, in mathematics, the irrational number (1 + 5)/2, often denoted by the Greek letter ϕ or τ, which is approximately equal to 1.618. It is the ratio of a line segment cut into two pieces of different lengths such that the ratio of the whole segment to that of the longer segment is equal to the ratio of the longer ...

6. ### www.thoughtco.com › definition-of-mole-ratio-andWhat Is a Mole Ratio? Chemistry Definition and Example

Aug 01, 2021 · Mole Ratio Definition . A mole ratio is the ratio between the amounts in moles of any two compounds involved in a chemical reaction. Mole ratios are used as conversion factors between products and reactants in many chemistry problems. The mole ratio may be determined by examining the coefficients in front of formulas in a balanced chemical ...

7. ### www.themathdoctors.org › the-golden-ratio-andThe Golden Ratio and Fibonacci – The Math Doctors

Jan 26, 2021 · The golden ratio, $$\phi$$, which goes back at least to ancient Greece, has also been called the “golden mean” (because it’s a special “middle”), the “golden section” (because it is a special way of “cutting” a segment), the “divine proportion” (because it was considered perfect), and “extreme and mean ratio” (as an ...

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