Finding the Third Proportional to 31,160 and 66,694
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Solution
The third proportional to 31,160 and 66,694 is: 142,749.99
Step by Step Solution
- Step 1: Write the proportion equation
31,160 : 66,694 = 66,694 : x - Step 2: Convert to fraction form
31,160/66,694 = 66,694/x - Step 3: Cross multiply
31,160x = 66,694 × 66,694 - Step 4: Simplify right side
31,160x = 4,448,089,636 - Step 5: Solve for x
x = 4,448,089,636/31,160 - Step 6: Final answer
x = 142,749.99
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.