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Finding the Third Proportional to 11,966 and 18,136

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Solution

The third proportional to 11,966 and 18,136 is: 27,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966 : 18,136 = 18,136 : x
  2. Step 2: Convert to fraction form
    11,966/18,136 = 18,136/x
  3. Step 3: Cross multiply
    11,966x = 18,136 × 18,136
  4. Step 4: Simplify right side
    11,966x = 328,914,496
  5. Step 5: Solve for x
    x = 328,914,496/11,966
  6. Step 6: Final answer
    x = 27,487.42

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.