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Finding the Third Proportional to 115,249.50 and 155,364.75

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Solution

The third proportional to 115,249.50 and 155,364.75 is: 209,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,249.50 : 155,364.75 = 155,364.75 : x
  2. Step 2: Convert to fraction form
    115,249.50/155,364.75 = 155,364.75/x
  3. Step 3: Cross multiply
    115,249.50x = 155,364.75 × 155,364.75
  4. Step 4: Simplify right side
    115,249.50x = 24,138,205,542.56
  5. Step 5: Solve for x
    x = 24,138,205,542.56/115,249.50
  6. Step 6: Final answer
    x = 209,443.04

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.