a ratio is a relationship between two numbers of the same kind.

A proportion is an equation written in the form stating that two ratios are equivalent.

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a ratio is a relationship between two numbers of the same kind.

A proportion is an equation written in the form stating that two ratios are equivalent.

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Example:The ratio of 6 to 3 is 6 ÷ 3 = 6/3 = 6 : 3 = 2 Example:The ratio of 3 to 6 is

3 ÷ 6 = 3/6 = 3 : 6 = 1/2

A proportion is a statement of the equality of two ratios.

Example:6 : 3 = 2 : 1 or 6 / 3 = 2 / 1or 62

- = -

31

are ways to write the proportion expressed as:6 is to 3 as 2 is to 1 Example:2 : 8 = 1 : 4 or 2 / 8 = 1 / 4or 21

- = -

84

are ways to write the proportion expressed as:2 is to 8 as 1 is to 4