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Finding the Third Proportional to 12,884 and 27,736

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Solution

The third proportional to 12,884 and 27,736 is: 59,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884 : 27,736 = 27,736 : x
  2. Step 2: Convert to fraction form
    12,884/27,736 = 27,736/x
  3. Step 3: Cross multiply
    12,884x = 27,736 × 27,736
  4. Step 4: Simplify right side
    12,884x = 769,285,696
  5. Step 5: Solve for x
    x = 769,285,696/12,884
  6. Step 6: Final answer
    x = 59,708.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.