If A:B=2:5 and B:C = 7:9, find out A:B:C

Given: A:B=2:5 and B:C = 7:9

To find: A:B:C , we have to make the number pertaining to 'B' same in both ratios

Solution:

To do this Multiply 1st Ratio with 7, and multiply second ratio with 5

A:B = 2$\times$7 : 5$\times$7

B:C =7$\times$5 : 9$\times$5

A: B = 14 : 35

B:C = 35 : 45

Now we got B number same in both ratios

So A:B:C = 14 : 35 : 45

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Updated on: 10-Oct-2022

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