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Finding the Third Proportional to 136,549.69 and 278,520.75

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Solution

The third proportional to 136,549.69 and 278,520.75 is: 568,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,549.69 : 278,520.75 = 278,520.75 : x
  2. Step 2: Convert to fraction form
    136,549.69/278,520.75 = 278,520.75/x
  3. Step 3: Cross multiply
    136,549.69x = 278,520.75 × 278,520.75
  4. Step 4: Simplify right side
    136,549.69x = 77,573,808,180.56
  5. Step 5: Solve for x
    x = 77,573,808,180.56/136,549.69
  6. Step 6: Final answer
    x = 568,099.49

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.