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Finding the Third Proportional to 126,490.50 and 270,912.38

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Solution

The third proportional to 126,490.50 and 270,912.38 is: 580,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,490.50 : 270,912.38 = 270,912.38 : x
  2. Step 2: Convert to fraction form
    126,490.50/270,912.38 = 270,912.38/x
  3. Step 3: Cross multiply
    126,490.50x = 270,912.38 × 270,912.38
  4. Step 4: Simplify right side
    126,490.50x = 73,393,514,928.14
  5. Step 5: Solve for x
    x = 73,393,514,928.14/126,490.50
  6. Step 6: Final answer
    x = 580,229.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.