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Finding the Third Proportional to 431,044.50 and 652,551

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Solution

The third proportional to 431,044.50 and 652,551 is: 987,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,044.50 : 652,551 = 652,551 : x
  2. Step 2: Convert to fraction form
    431,044.50/652,551 = 652,551/x
  3. Step 3: Cross multiply
    431,044.50x = 652,551 × 652,551
  4. Step 4: Simplify right side
    431,044.50x = 425,822,807,601
  5. Step 5: Solve for x
    x = 425,822,807,601/431,044.50
  6. Step 6: Final answer
    x = 987,885.96

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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.