Like equivalent fractions (link) equivalent ratios are made by multiplying & dividing the ratio by the same number

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**
Equivalent ratio of 2 : 1
**

2 : 1 = 2/1

So, equivalent ratios are

2/1 × 2/2 = 4/2 = 4 : 2

2/1 × 3/3 = 6/3 = 6 : 3

2/1 × 4/4 = 8/4 = 8 : 4

####
**
Equivalent ratios
**

Like equivalent fractions, equivalent ratios are made by multiplying & dividing the ratio by the same number

Let’s take an example

####
**
Equivalent ratio of 2 : 1
**

2 : 1 = 2/1

So, equivalent ratios are

2/1 × 2/2 = 4/2 = 4 : 2

2/1 × 3/3 = 6/3 = 6 : 3

2/1 × 4/4 = 8/4 = 8 : 4

So,

2 : 1 = 4 : 2 = 6 : 3 = 8 : 4

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