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Finding the Third Proportional to 13,954 and 18,934

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Solution

The third proportional to 13,954 and 18,934 is: 25,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954 : 18,934 = 18,934 : x
  2. Step 2: Convert to fraction form
    13,954/18,934 = 18,934/x
  3. Step 3: Cross multiply
    13,954x = 18,934 × 18,934
  4. Step 4: Simplify right side
    13,954x = 358,496,356
  5. Step 5: Solve for x
    x = 358,496,356/13,954
  6. Step 6: Final answer
    x = 25,691.30

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.