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Finding the Third Proportional to 18,029.25 and 38,402.44

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Solution

The third proportional to 18,029.25 and 38,402.44 is: 81,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.25 : 38,402.44 = 38,402.44 : x
  2. Step 2: Convert to fraction form
    18,029.25/38,402.44 = 38,402.44/x
  3. Step 3: Cross multiply
    18,029.25x = 38,402.44 × 38,402.44
  4. Step 4: Simplify right side
    18,029.25x = 1,474,747,205.94
  5. Step 5: Solve for x
    x = 1,474,747,205.94/18,029.25
  6. Step 6: Final answer
    x = 81,797.48

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.