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Finding the Third Proportional to 20,469.80 and 43,399.97

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Solution

The third proportional to 20,469.80 and 43,399.97 is: 92,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469.80 : 43,399.97 = 43,399.97 : x
  2. Step 2: Convert to fraction form
    20,469.80/43,399.97 = 43,399.97/x
  3. Step 3: Cross multiply
    20,469.80x = 43,399.97 × 43,399.97
  4. Step 4: Simplify right side
    20,469.80x = 1,883,557,287.50
  5. Step 5: Solve for x
    x = 1,883,557,287.50/20,469.80
  6. Step 6: Final answer
    x = 92,016.41

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.