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Finding the Third Proportional to 12,236 and 18,234

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Solution

The third proportional to 12,236 and 18,234 is: 27,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236 : 18,234 = 18,234 : x
  2. Step 2: Convert to fraction form
    12,236/18,234 = 18,234/x
  3. Step 3: Cross multiply
    12,236x = 18,234 × 18,234
  4. Step 4: Simplify right side
    12,236x = 332,478,756
  5. Step 5: Solve for x
    x = 332,478,756/12,236
  6. Step 6: Final answer
    x = 27,172.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.