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Finding the Third Proportional to 62,278.88 and 126,400.50

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Solution

The third proportional to 62,278.88 and 126,400.50 is: 256,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,278.88 : 126,400.50 = 126,400.50 : x
  2. Step 2: Convert to fraction form
    62,278.88/126,400.50 = 126,400.50/x
  3. Step 3: Cross multiply
    62,278.88x = 126,400.50 × 126,400.50
  4. Step 4: Simplify right side
    62,278.88x = 15,977,086,400.25
  5. Step 5: Solve for x
    x = 15,977,086,400.25/62,278.88
  6. Step 6: Final answer
    x = 256,541.02

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.