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Finding the Third Proportional to 8,691 and 19,023

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Solution

The third proportional to 8,691 and 19,023 is: 41,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691 : 19,023 = 19,023 : x
  2. Step 2: Convert to fraction form
    8,691/19,023 = 19,023/x
  3. Step 3: Cross multiply
    8,691x = 19,023 × 19,023
  4. Step 4: Simplify right side
    8,691x = 361,874,529
  5. Step 5: Solve for x
    x = 361,874,529/8,691
  6. Step 6: Final answer
    x = 41,637.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.