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Finding the Third Proportional to 15,554 and 34,267

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Solution

The third proportional to 15,554 and 34,267 is: 75,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554 : 34,267 = 34,267 : x
  2. Step 2: Convert to fraction form
    15,554/34,267 = 34,267/x
  3. Step 3: Cross multiply
    15,554x = 34,267 × 34,267
  4. Step 4: Simplify right side
    15,554x = 1,174,227,289
  5. Step 5: Solve for x
    x = 1,174,227,289/15,554
  6. Step 6: Final answer
    x = 75,493.59

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.