find mean proportional of 25 and 7776
Answers
Answered by
1
Step-by-step explanation:
Let the requird no be a and b
36 is the mean proportional between a and b
36
a
=
b
36
ab=1296, a=
b
1296
288 is the third proportion.
b
a
=
288
b
b
2
=a
b
2
=288×
b
1296
b
3
=373248
b=72
∴ a= 18
∴ Two numbers are 18 and 72.
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Answered by
0
Answer:
3900.5
Step-by-step explanation:
Mean = Sum of observations ÷ number of observations.....
= 25 + 7776 ÷ 2
= 7801 ÷ 2
= 3900.5
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