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Finding the Third Proportional to 10,187 and 15,383

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Solution

The third proportional to 10,187 and 15,383 is: 23,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187 : 15,383 = 15,383 : x
  2. Step 2: Convert to fraction form
    10,187/15,383 = 15,383/x
  3. Step 3: Cross multiply
    10,187x = 15,383 × 15,383
  4. Step 4: Simplify right side
    10,187x = 236,636,689
  5. Step 5: Solve for x
    x = 236,636,689/10,187
  6. Step 6: Final answer
    x = 23,229.28

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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.