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Finding the Third Proportional to 135,952.50 and 206,809

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Solution

The third proportional to 135,952.50 and 206,809 is: 314,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,952.50 : 206,809 = 206,809 : x
  2. Step 2: Convert to fraction form
    135,952.50/206,809 = 206,809/x
  3. Step 3: Cross multiply
    135,952.50x = 206,809 × 206,809
  4. Step 4: Simplify right side
    135,952.50x = 42,769,962,481
  5. Step 5: Solve for x
    x = 42,769,962,481/135,952.50
  6. Step 6: Final answer
    x = 314,594.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.