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Finding the Third Proportional to 240,759 and 381,564

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Solution

The third proportional to 240,759 and 381,564 is: 604,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,759 : 381,564 = 381,564 : x
  2. Step 2: Convert to fraction form
    240,759/381,564 = 381,564/x
  3. Step 3: Cross multiply
    240,759x = 381,564 × 381,564
  4. Step 4: Simplify right side
    240,759x = 145,591,086,096
  5. Step 5: Solve for x
    x = 145,591,086,096/240,759
  6. Step 6: Final answer
    x = 604,717.11

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.