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Finding the Third Proportional to 15,135 and 22,839

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Solution

The third proportional to 15,135 and 22,839 is: 34,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135 : 22,839 = 22,839 : x
  2. Step 2: Convert to fraction form
    15,135/22,839 = 22,839/x
  3. Step 3: Cross multiply
    15,135x = 22,839 × 22,839
  4. Step 4: Simplify right side
    15,135x = 521,619,921
  5. Step 5: Solve for x
    x = 521,619,921/15,135
  6. Step 6: Final answer
    x = 34,464.48

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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.