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Finding the Third Proportional to 5,750 and 12,439

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Solution

The third proportional to 5,750 and 12,439 is: 26,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750 : 12,439 = 12,439 : x
  2. Step 2: Convert to fraction form
    5,750/12,439 = 12,439/x
  3. Step 3: Cross multiply
    5,750x = 12,439 × 12,439
  4. Step 4: Simplify right side
    5,750x = 154,728,721
  5. Step 5: Solve for x
    x = 154,728,721/5,750
  6. Step 6: Final answer
    x = 26,909.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.