Question

in a proportion the first second and fourth term are51 ,68 and 108 respectively . find the third term​

Answer 1

Answer:

• Let the 3rd term be x.

so,

• 51 : 68 :: x : 108
• product of extremes = product of means

• 51 x 108 = 68 x X
• 5508 = 68x
• 5508/68 = x
• x = 81

therefore the third term is 81....

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