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Finding the Third Proportional to 18,800 and 27,160

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Solution

The third proportional to 18,800 and 27,160 is: 39,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800 : 27,160 = 27,160 : x
  2. Step 2: Convert to fraction form
    18,800/27,160 = 27,160/x
  3. Step 3: Cross multiply
    18,800x = 27,160 × 27,160
  4. Step 4: Simplify right side
    18,800x = 737,665,600
  5. Step 5: Solve for x
    x = 737,665,600/18,800
  6. Step 6: Final answer
    x = 39,237.53

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.