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Finding the Third Proportional to 66,591.56 and 146,305.13

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Solution

The third proportional to 66,591.56 and 146,305.13 is: 321,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,591.56 : 146,305.13 = 146,305.13 : x
  2. Step 2: Convert to fraction form
    66,591.56/146,305.13 = 146,305.13/x
  3. Step 3: Cross multiply
    66,591.56x = 146,305.13 × 146,305.13
  4. Step 4: Simplify right side
    66,591.56x = 21,405,189,601.27
  5. Step 5: Solve for x
    x = 21,405,189,601.27/66,591.56
  6. Step 6: Final answer
    x = 321,439.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.