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Finding the Third Proportional to 79,177.50 and 170,778.38

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Solution

The third proportional to 79,177.50 and 170,778.38 is: 368,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,177.50 : 170,778.38 = 170,778.38 : x
  2. Step 2: Convert to fraction form
    79,177.50/170,778.38 = 170,778.38/x
  3. Step 3: Cross multiply
    79,177.50x = 170,778.38 × 170,778.38
  4. Step 4: Simplify right side
    79,177.50x = 29,165,253,367.64
  5. Step 5: Solve for x
    x = 29,165,253,367.64/79,177.50
  6. Step 6: Final answer
    x = 368,352.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.