Finding the Third Proportional to 132,115.50 and 198,213.75
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Solution
The third proportional to 132,115.50 and 198,213.75 is: 297,381.39
Step by Step Solution
- Step 1: Write the proportion equation
132,115.50 : 198,213.75 = 198,213.75 : x - Step 2: Convert to fraction form
132,115.50/198,213.75 = 198,213.75/x - Step 3: Cross multiply
132,115.50x = 198,213.75 × 198,213.75 - Step 4: Simplify right side
132,115.50x = 39,288,690,689.06 - Step 5: Solve for x
x = 39,288,690,689.06/132,115.50 - Step 6: Final answer
x = 297,381.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.