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Finding the Third Proportional to 10,508 and 15,843

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Solution

The third proportional to 10,508 and 15,843 is: 23,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508 : 15,843 = 15,843 : x
  2. Step 2: Convert to fraction form
    10,508/15,843 = 15,843/x
  3. Step 3: Cross multiply
    10,508x = 15,843 × 15,843
  4. Step 4: Simplify right side
    10,508x = 251,000,649
  5. Step 5: Solve for x
    x = 251,000,649/10,508
  6. Step 6: Final answer
    x = 23,886.62

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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.