Question

mean proportional of 7 and 28​

Answer 1

let mean proportional be 'x'

when three numbers a,b,c are in proportion..a/b=b/c

here a=7 b=x c=28

7/x=x/28

x^2=7×28

x^2=196

x=14..

Answer 2

Answer:

Step-by-step explanation:

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