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Finding the Third Proportional to 14,241 and 20,439

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Solution

The third proportional to 14,241 and 20,439 is: 29,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241 : 20,439 = 20,439 : x
  2. Step 2: Convert to fraction form
    14,241/20,439 = 20,439/x
  3. Step 3: Cross multiply
    14,241x = 20,439 × 20,439
  4. Step 4: Simplify right side
    14,241x = 417,752,721
  5. Step 5: Solve for x
    x = 417,752,721/14,241
  6. Step 6: Final answer
    x = 29,334.51

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.