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Finding the Third Proportional to 12,170.25 and 18,252

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Solution

The third proportional to 12,170.25 and 18,252 is: 27,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.25 : 18,252 = 18,252 : x
  2. Step 2: Convert to fraction form
    12,170.25/18,252 = 18,252/x
  3. Step 3: Cross multiply
    12,170.25x = 18,252 × 18,252
  4. Step 4: Simplify right side
    12,170.25x = 333,135,504
  5. Step 5: Solve for x
    x = 333,135,504/12,170.25
  6. Step 6: Final answer
    x = 27,372.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.