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Finding the Third Proportional to 275,249.25 and 425,397.38

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Solution

The third proportional to 275,249.25 and 425,397.38 is: 657,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,249.25 : 425,397.38 = 425,397.38 : x
  2. Step 2: Convert to fraction form
    275,249.25/425,397.38 = 425,397.38/x
  3. Step 3: Cross multiply
    275,249.25x = 425,397.38 × 425,397.38
  4. Step 4: Simplify right side
    275,249.25x = 180,962,926,656.89
  5. Step 5: Solve for x
    x = 180,962,926,656.89/275,249.25
  6. Step 6: Final answer
    x = 657,451.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.