Finding the Third Proportional to 121,153.50 and 281,553.75
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Solution
The third proportional to 121,153.50 and 281,553.75 is: 654,314.68
Step by Step Solution
- Step 1: Write the proportion equation
121,153.50 : 281,553.75 = 281,553.75 : x - Step 2: Convert to fraction form
121,153.50/281,553.75 = 281,553.75/x - Step 3: Cross multiply
121,153.50x = 281,553.75 × 281,553.75 - Step 4: Simplify right side
121,153.50x = 79,272,514,139.06 - Step 5: Solve for x
x = 79,272,514,139.06/121,153.50 - Step 6: Final answer
x = 654,314.68
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.