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Finding the Third Proportional to 392,937.50 and 591,699

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Solution

The third proportional to 392,937.50 and 591,699 is: 891,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,937.50 : 591,699 = 591,699 : x
  2. Step 2: Convert to fraction form
    392,937.50/591,699 = 591,699/x
  3. Step 3: Cross multiply
    392,937.50x = 591,699 × 591,699
  4. Step 4: Simplify right side
    392,937.50x = 350,107,706,601
  5. Step 5: Solve for x
    x = 350,107,706,601/392,937.50
  6. Step 6: Final answer
    x = 891,001.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.