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Finding the Third Proportional to 54,542 and 115,677

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Solution

The third proportional to 54,542 and 115,677 is: 245,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542 : 115,677 = 115,677 : x
  2. Step 2: Convert to fraction form
    54,542/115,677 = 115,677/x
  3. Step 3: Cross multiply
    54,542x = 115,677 × 115,677
  4. Step 4: Simplify right side
    54,542x = 13,381,168,329
  5. Step 5: Solve for x
    x = 13,381,168,329/54,542
  6. Step 6: Final answer
    x = 245,336.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.