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Finding the Third Proportional to 18,059 and 27,908

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Solution

The third proportional to 18,059 and 27,908 is: 43,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059 : 27,908 = 27,908 : x
  2. Step 2: Convert to fraction form
    18,059/27,908 = 27,908/x
  3. Step 3: Cross multiply
    18,059x = 27,908 × 27,908
  4. Step 4: Simplify right side
    18,059x = 778,856,464
  5. Step 5: Solve for x
    x = 778,856,464/18,059
  6. Step 6: Final answer
    x = 43,128.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.