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Finding the Third Proportional to 54,050 and 80,859

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Solution

The third proportional to 54,050 and 80,859 is: 120,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,050 : 80,859 = 80,859 : x
  2. Step 2: Convert to fraction form
    54,050/80,859 = 80,859/x
  3. Step 3: Cross multiply
    54,050x = 80,859 × 80,859
  4. Step 4: Simplify right side
    54,050x = 6,538,177,881
  5. Step 5: Solve for x
    x = 6,538,177,881/54,050
  6. Step 6: Final answer
    x = 120,965.36

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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.