Ratio and Proportion || Describe Proportion

- RATIO is the comparison between two quantities of the same units. It is the result of comparing them by division.

- PROPORTION is the equality between two ratios.
If ratios 𝑎 : 𝑏 and 𝑐 : 𝑑 are equal, the proportion can be written in two ways:
𝑎:𝑏=𝑐:𝑑 or 𝑎/𝑏=𝑐/𝑑, 𝑤ℎ𝑒𝑟𝑒 𝑏≠0, 𝑑≠0

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