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Finding the Third Proportional to 68,761.50 and 141,804.75

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Solution

The third proportional to 68,761.50 and 141,804.75 is: 292,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,761.50 : 141,804.75 = 141,804.75 : x
  2. Step 2: Convert to fraction form
    68,761.50/141,804.75 = 141,804.75/x
  3. Step 3: Cross multiply
    68,761.50x = 141,804.75 × 141,804.75
  4. Step 4: Simplify right side
    68,761.50x = 20,108,587,122.56
  5. Step 5: Solve for x
    x = 20,108,587,122.56/68,761.50
  6. Step 6: Final answer
    x = 292,439.62

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.