Question

find the mean proportion between 64 and 81 ​

Answer 1

Answer:

72.5

Step-by-step explanation:

64+81=145by2

Hope it will be help you

Answer 2

Answer:

let the mean proportion be x

so according to question :-

64 : x : : x : 81

64*81 = x^2

5184 = x^2

√5184 = x

72 = x

so mean proportion = 72

hope you understand plz thank my answer