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Finding the Third Proportional to 54,789.75 and 82,190.25

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Solution

The third proportional to 54,789.75 and 82,190.25 is: 123,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.75 : 82,190.25 = 82,190.25 : x
  2. Step 2: Convert to fraction form
    54,789.75/82,190.25 = 82,190.25/x
  3. Step 3: Cross multiply
    54,789.75x = 82,190.25 × 82,190.25
  4. Step 4: Simplify right side
    54,789.75x = 6,755,237,195.06
  5. Step 5: Solve for x
    x = 6,755,237,195.06/54,789.75
  6. Step 6: Final answer
    x = 123,293.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.