Finding the Third Proportional to 127,761.75 and 198,387
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Solution
The third proportional to 127,761.75 and 198,387 is: 308,053.09
Step by Step Solution
- Step 1: Write the proportion equation
127,761.75 : 198,387 = 198,387 : x - Step 2: Convert to fraction form
127,761.75/198,387 = 198,387/x - Step 3: Cross multiply
127,761.75x = 198,387 × 198,387 - Step 4: Simplify right side
127,761.75x = 39,357,401,769 - Step 5: Solve for x
x = 39,357,401,769/127,761.75 - Step 6: Final answer
x = 308,053.09
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.