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Finding the Third Proportional to 137,112.75 and 195,463.13

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Solution

The third proportional to 137,112.75 and 195,463.13 is: 278,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,112.75 : 195,463.13 = 195,463.13 : x
  2. Step 2: Convert to fraction form
    137,112.75/195,463.13 = 195,463.13/x
  3. Step 3: Cross multiply
    137,112.75x = 195,463.13 × 195,463.13
  4. Step 4: Simplify right side
    137,112.75x = 38,205,833,234.77
  5. Step 5: Solve for x
    x = 38,205,833,234.77/137,112.75
  6. Step 6: Final answer
    x = 278,645.37

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.