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The sum of three numbers is 147. If the ratio between
the first and second is 2 : 3 and that between the sec
ond and the third is 5 : 8, then the second number is?
Most Upvoted Answer
The sum of three numbers is 147. If the ratio between the first and se...
Understanding the Problem
To find the second number, we must first understand the relationships between the three numbers given in the problem. The sum of the three numbers is 147, and the ratios between the numbers are also provided.

Setting up Equations
Let's denote the first number as 2x, the second number as 3y, and the third number as 8z. According to the ratios given in the problem, we can set up the following equations:
2x + 3y + 8z = 147
y = (3/2)x
z = (8/5)y

Solving the Equations
Substitute the expressions for y and z into the first equation:
2x + 3(3/2)x + 8(8/5)(3/2)x = 147
2x + 9x + 24x = 147
35x = 147
x = 147/35
x = 4.2
Now, find the value of y:
y = (3/2)(4.2)
y = 6.3
Finally, calculate the second number, which is 3y:
Second number = 3(6.3)
Second number = 18.9

Answer
Therefore, the second number is 18.9. By following the given ratios and using the sum of the three numbers, we were able to determine the values of the individual numbers and find the second number.
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The sum of three numbers is 147. If the ratio between the first and second is 2 : 3 and that between the second and the third is 5 : 8, then the second number is?
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