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Finding the Third Proportional to 13,928 and 28,394

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Solution

The third proportional to 13,928 and 28,394 is: 57,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928 : 28,394 = 28,394 : x
  2. Step 2: Convert to fraction form
    13,928/28,394 = 28,394/x
  3. Step 3: Cross multiply
    13,928x = 28,394 × 28,394
  4. Step 4: Simplify right side
    13,928x = 806,219,236
  5. Step 5: Solve for x
    x = 806,219,236/13,928
  6. Step 6: Final answer
    x = 57,884.78

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.