Question

Find the mean proportional of : (i) 8 , 18 (ii) 25 , 4​

Answer 1

Answer:

To find the mean proportional between 8 and 18, first multiply the two given numbers together, then find the square root out of their product. Then the answer will be the mean proportional between 8 and 18.

i) Here, 8 × 18 = 144

⇒ √144 = 12

So, 12 is the mean proportional between 8 and 18.

ii) 25*4 = 100

⇒ √100 = 10

So, 10 is the mean proportional between 25 and 4.

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