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Finding the Third Proportional to 13,587 and 14,691

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Solution

The third proportional to 13,587 and 14,691 is: 15,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587 : 14,691 = 14,691 : x
  2. Step 2: Convert to fraction form
    13,587/14,691 = 14,691/x
  3. Step 3: Cross multiply
    13,587x = 14,691 × 14,691
  4. Step 4: Simplify right side
    13,587x = 215,825,481
  5. Step 5: Solve for x
    x = 215,825,481/13,587
  6. Step 6: Final answer
    x = 15,884.70

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.