Finding the Third Proportional to 31,727 and 67,948
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Solution
The third proportional to 31,727 and 67,948 is: 145,520.56
Step by Step Solution
- Step 1: Write the proportion equation
31,727 : 67,948 = 67,948 : x - Step 2: Convert to fraction form
31,727/67,948 = 67,948/x - Step 3: Cross multiply
31,727x = 67,948 × 67,948 - Step 4: Simplify right side
31,727x = 4,616,930,704 - Step 5: Solve for x
x = 4,616,930,704/31,727 - Step 6: Final answer
x = 145,520.56
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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.