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Finding the Third Proportional to 54,817.75 and 119,780.75

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Solution

The third proportional to 54,817.75 and 119,780.75 is: 261,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,817.75 : 119,780.75 = 119,780.75 : x
  2. Step 2: Convert to fraction form
    54,817.75/119,780.75 = 119,780.75/x
  3. Step 3: Cross multiply
    54,817.75x = 119,780.75 × 119,780.75
  4. Step 4: Simplify right side
    54,817.75x = 14,347,428,070.56
  5. Step 5: Solve for x
    x = 14,347,428,070.56/54,817.75
  6. Step 6: Final answer
    x = 261,729.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.