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Finding the Third Proportional to 67,250.25 and 138,874.50

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Solution

The third proportional to 67,250.25 and 138,874.50 is: 286,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,250.25 : 138,874.50 = 138,874.50 : x
  2. Step 2: Convert to fraction form
    67,250.25/138,874.50 = 138,874.50/x
  3. Step 3: Cross multiply
    67,250.25x = 138,874.50 × 138,874.50
  4. Step 4: Simplify right side
    67,250.25x = 19,286,126,750.25
  5. Step 5: Solve for x
    x = 19,286,126,750.25/67,250.25
  6. Step 6: Final answer
    x = 286,781.49

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.