Finding the Third Proportional to 31,581 and 67,941
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Solution
The third proportional to 31,581 and 67,941 is: 146,163.18
Step by Step Solution
- Step 1: Write the proportion equation
31,581 : 67,941 = 67,941 : x - Step 2: Convert to fraction form
31,581/67,941 = 67,941/x - Step 3: Cross multiply
31,581x = 67,941 × 67,941 - Step 4: Simplify right side
31,581x = 4,615,979,481 - Step 5: Solve for x
x = 4,615,979,481/31,581 - Step 6: Final answer
x = 146,163.18
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.