Question

the mean proportional between 1.4 gram and 5.6 gram​

Answer 1

let mean proportional be 'b'

any 3 no's a,b,c are in proportional then,

a/b=b/c

here, a=1.4, c=5.6 hence

(1.4)/(b)=(b)/(5.6)

b^2=(1.4)×(5.6)

= 7.84

b=2.8 gram

Answer 2

Answer:

2.8

Step-by-step explanation:

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........ hope it's helpful