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Finding the Third Proportional to 53,876 and 117,542

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Solution

The third proportional to 53,876 and 117,542 is: 256,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,876 : 117,542 = 117,542 : x
  2. Step 2: Convert to fraction form
    53,876/117,542 = 117,542/x
  3. Step 3: Cross multiply
    53,876x = 117,542 × 117,542
  4. Step 4: Simplify right side
    53,876x = 13,816,121,764
  5. Step 5: Solve for x
    x = 13,816,121,764/53,876
  6. Step 6: Final answer
    x = 256,442.98

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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.