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Finding the Third Proportional to 13,676 and 19,442

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Solution

The third proportional to 13,676 and 19,442 is: 27,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676 : 19,442 = 19,442 : x
  2. Step 2: Convert to fraction form
    13,676/19,442 = 19,442/x
  3. Step 3: Cross multiply
    13,676x = 19,442 × 19,442
  4. Step 4: Simplify right side
    13,676x = 377,991,364
  5. Step 5: Solve for x
    x = 377,991,364/13,676
  6. Step 6: Final answer
    x = 27,639.03

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.