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Finding the Third Proportional to 18,132 and 27,736

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Solution

The third proportional to 18,132 and 27,736 is: 42,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132 : 27,736 = 27,736 : x
  2. Step 2: Convert to fraction form
    18,132/27,736 = 27,736/x
  3. Step 3: Cross multiply
    18,132x = 27,736 × 27,736
  4. Step 4: Simplify right side
    18,132x = 769,285,696
  5. Step 5: Solve for x
    x = 769,285,696/18,132
  6. Step 6: Final answer
    x = 42,426.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.