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Finding the Third Proportional to 253,982 and 379,727

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Solution

The third proportional to 253,982 and 379,727 is: 567,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,982 : 379,727 = 379,727 : x
  2. Step 2: Convert to fraction form
    253,982/379,727 = 379,727/x
  3. Step 3: Cross multiply
    253,982x = 379,727 × 379,727
  4. Step 4: Simplify right side
    253,982x = 144,192,594,529
  5. Step 5: Solve for x
    x = 144,192,594,529/253,982
  6. Step 6: Final answer
    x = 567,727.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.