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Finding the Third Proportional to 36,198 and 54,078

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Solution

The third proportional to 36,198 and 54,078 is: 80,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,198 : 54,078 = 54,078 : x
  2. Step 2: Convert to fraction form
    36,198/54,078 = 54,078/x
  3. Step 3: Cross multiply
    36,198x = 54,078 × 54,078
  4. Step 4: Simplify right side
    36,198x = 2,924,430,084
  5. Step 5: Solve for x
    x = 2,924,430,084/36,198
  6. Step 6: Final answer
    x = 80,789.82

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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.