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Finding the Third Proportional to 18,230 and 27,309

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Solution

The third proportional to 18,230 and 27,309 is: 40,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230 : 27,309 = 27,309 : x
  2. Step 2: Convert to fraction form
    18,230/27,309 = 27,309/x
  3. Step 3: Cross multiply
    18,230x = 27,309 × 27,309
  4. Step 4: Simplify right side
    18,230x = 745,781,481
  5. Step 5: Solve for x
    x = 745,781,481/18,230
  6. Step 6: Final answer
    x = 40,909.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.