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Finding the Third Proportional to 54,141.75 and 80,763.75

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Solution

The third proportional to 54,141.75 and 80,763.75 is: 120,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.75 : 80,763.75 = 80,763.75 : x
  2. Step 2: Convert to fraction form
    54,141.75/80,763.75 = 80,763.75/x
  3. Step 3: Cross multiply
    54,141.75x = 80,763.75 × 80,763.75
  4. Step 4: Simplify right side
    54,141.75x = 6,522,783,314.06
  5. Step 5: Solve for x
    x = 6,522,783,314.06/54,141.75
  6. Step 6: Final answer
    x = 120,476.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.