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Finding the Third Proportional to 13,446 and 17,991

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Solution

The third proportional to 13,446 and 17,991 is: 24,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446 : 17,991 = 17,991 : x
  2. Step 2: Convert to fraction form
    13,446/17,991 = 17,991/x
  3. Step 3: Cross multiply
    13,446x = 17,991 × 17,991
  4. Step 4: Simplify right side
    13,446x = 323,676,081
  5. Step 5: Solve for x
    x = 323,676,081/13,446
  6. Step 6: Final answer
    x = 24,072.30

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.