Question

Find the mean proportion of 125:? : :? :25​

Answer 1

Answer:The mean proportional is 25

Step-by-step explanation:To find: The mean proportional of 5 and 125

Therefore we have

5 : x :: x : 125

As we know

The product of mean = The product of extremes

⇒ x²= 625

⇒ x = √625

⇒ x = 25

So the proportional terms are

5 : 25 :: 25 : 125

Hence the mean proportional is 25

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Answer 2

Step-by-step explanation:

125:x:x:25

125/x=x/25

x^2=125×25