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Finding the Third Proportional to 9,331 and 14,087

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Solution

The third proportional to 9,331 and 14,087 is: 21,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331 : 14,087 = 14,087 : x
  2. Step 2: Convert to fraction form
    9,331/14,087 = 14,087/x
  3. Step 3: Cross multiply
    9,331x = 14,087 × 14,087
  4. Step 4: Simplify right side
    9,331x = 198,443,569
  5. Step 5: Solve for x
    x = 198,443,569/9,331
  6. Step 6: Final answer
    x = 21,267.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.