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Finding the Third Proportional to 12,744 and 18,372

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Solution

The third proportional to 12,744 and 18,372 is: 26,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744 : 18,372 = 18,372 : x
  2. Step 2: Convert to fraction form
    12,744/18,372 = 18,372/x
  3. Step 3: Cross multiply
    12,744x = 18,372 × 18,372
  4. Step 4: Simplify right side
    12,744x = 337,530,384
  5. Step 5: Solve for x
    x = 337,530,384/12,744
  6. Step 6: Final answer
    x = 26,485.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.