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Finding the Third Proportional to 51,859.25 and 80,091.75

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Solution

The third proportional to 51,859.25 and 80,091.75 is: 123,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,859.25 : 80,091.75 = 80,091.75 : x
  2. Step 2: Convert to fraction form
    51,859.25/80,091.75 = 80,091.75/x
  3. Step 3: Cross multiply
    51,859.25x = 80,091.75 × 80,091.75
  4. Step 4: Simplify right side
    51,859.25x = 6,414,688,418.06
  5. Step 5: Solve for x
    x = 6,414,688,418.06/51,859.25
  6. Step 6: Final answer
    x = 123,694.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.