if 28 is the third proportional to 7 and x find the value of x
Answers
Answered by
0
Answer:
Step-by-step explanation:
GIVEN
The third proportional to 7 and x is 28
TO DETERMINE
The value of x
EVALUATION
Here it is given that the third proportional to 7 and x is 28
So by the given condition
7 : x = x : 28
FINAL ANSWER
So the required value
x = _l_ 14
Answered by
0
Answer:
Given numbers: 7, x, 28
Since the numbers will be in continued proportion,
7 : x : : x : 28
Product of Means = Product of Extremes
∴ ×
∴
∴
x = ± 14
x = 14 OR x = -14
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