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Finding the Third Proportional to 3,764 and 8,392

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Solution

The third proportional to 3,764 and 8,392 is: 18,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764 : 8,392 = 8,392 : x
  2. Step 2: Convert to fraction form
    3,764/8,392 = 8,392/x
  3. Step 3: Cross multiply
    3,764x = 8,392 × 8,392
  4. Step 4: Simplify right side
    3,764x = 70,425,664
  5. Step 5: Solve for x
    x = 70,425,664/3,764
  6. Step 6: Final answer
    x = 18,710.33

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.