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Finding the Third Proportional to 54,982 and 119,840

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Solution

The third proportional to 54,982 and 119,840 is: 261,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982 : 119,840 = 119,840 : x
  2. Step 2: Convert to fraction form
    54,982/119,840 = 119,840/x
  3. Step 3: Cross multiply
    54,982x = 119,840 × 119,840
  4. Step 4: Simplify right side
    54,982x = 14,361,625,600
  5. Step 5: Solve for x
    x = 14,361,625,600/54,982
  6. Step 6: Final answer
    x = 261,205.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.