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Finding the Third Proportional to 1,996 and 5,392

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Solution

The third proportional to 1,996 and 5,392 is: 14,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996 : 5,392 = 5,392 : x
  2. Step 2: Convert to fraction form
    1,996/5,392 = 5,392/x
  3. Step 3: Cross multiply
    1,996x = 5,392 × 5,392
  4. Step 4: Simplify right side
    1,996x = 29,073,664
  5. Step 5: Solve for x
    x = 29,073,664/1,996
  6. Step 6: Final answer
    x = 14,565.96

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.