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Finding the Third Proportional to 55,680 and 117,192

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Solution

The third proportional to 55,680 and 117,192 is: 246,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,680 : 117,192 = 117,192 : x
  2. Step 2: Convert to fraction form
    55,680/117,192 = 117,192/x
  3. Step 3: Cross multiply
    55,680x = 117,192 × 117,192
  4. Step 4: Simplify right side
    55,680x = 13,733,964,864
  5. Step 5: Solve for x
    x = 13,733,964,864/55,680
  6. Step 6: Final answer
    x = 246,658.85

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.