Finding the Third Proportional to 191,781 and 418,554
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Solution
The third proportional to 191,781 and 418,554 is: 913,476.57
Step by Step Solution
- Step 1: Write the proportion equation
191,781 : 418,554 = 418,554 : x - Step 2: Convert to fraction form
191,781/418,554 = 418,554/x - Step 3: Cross multiply
191,781x = 418,554 × 418,554 - Step 4: Simplify right side
191,781x = 175,187,450,916 - Step 5: Solve for x
x = 175,187,450,916/191,781 - Step 6: Final answer
x = 913,476.57
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.