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Finding the Third Proportional to 28,729.69 and 62,380.13

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Solution

The third proportional to 28,729.69 and 62,380.13 is: 135,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.69 : 62,380.13 = 62,380.13 : x
  2. Step 2: Convert to fraction form
    28,729.69/62,380.13 = 62,380.13/x
  3. Step 3: Cross multiply
    28,729.69x = 62,380.13 × 62,380.13
  4. Step 4: Simplify right side
    28,729.69x = 3,891,279,995.02
  5. Step 5: Solve for x
    x = 3,891,279,995.02/28,729.69
  6. Step 6: Final answer
    x = 135,444.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.