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Finding the Third Proportional to 3,388 and 3,764

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Solution

The third proportional to 3,388 and 3,764 is: 4,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388 : 3,764 = 3,764 : x
  2. Step 2: Convert to fraction form
    3,388/3,764 = 3,764/x
  3. Step 3: Cross multiply
    3,388x = 3,764 × 3,764
  4. Step 4: Simplify right side
    3,388x = 14,167,696
  5. Step 5: Solve for x
    x = 14,167,696/3,388
  6. Step 6: Final answer
    x = 4,181.73

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.