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Finding the Third Proportional to 54,868 and 81,941

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Solution

The third proportional to 54,868 and 81,941 is: 122,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868 : 81,941 = 81,941 : x
  2. Step 2: Convert to fraction form
    54,868/81,941 = 81,941/x
  3. Step 3: Cross multiply
    54,868x = 81,941 × 81,941
  4. Step 4: Simplify right side
    54,868x = 6,714,327,481
  5. Step 5: Solve for x
    x = 6,714,327,481/54,868
  6. Step 6: Final answer
    x = 122,372.38

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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.