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Finding the Third Proportional to 13,372 and 18,456

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Solution

The third proportional to 13,372 and 18,456 is: 25,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372 : 18,456 = 18,456 : x
  2. Step 2: Convert to fraction form
    13,372/18,456 = 18,456/x
  3. Step 3: Cross multiply
    13,372x = 18,456 × 18,456
  4. Step 4: Simplify right side
    13,372x = 340,623,936
  5. Step 5: Solve for x
    x = 340,623,936/13,372
  6. Step 6: Final answer
    x = 25,472.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.