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Finding the Third Proportional to 10,394 and 14,439

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Solution

The third proportional to 10,394 and 14,439 is: 20,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394 : 14,439 = 14,439 : x
  2. Step 2: Convert to fraction form
    10,394/14,439 = 14,439/x
  3. Step 3: Cross multiply
    10,394x = 14,439 × 14,439
  4. Step 4: Simplify right side
    10,394x = 208,484,721
  5. Step 5: Solve for x
    x = 208,484,721/10,394
  6. Step 6: Final answer
    x = 20,058.18

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.