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Finding the Third Proportional to 3,328 and 6,608

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Solution

The third proportional to 3,328 and 6,608 is: 13,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328 : 6,608 = 6,608 : x
  2. Step 2: Convert to fraction form
    3,328/6,608 = 6,608/x
  3. Step 3: Cross multiply
    3,328x = 6,608 × 6,608
  4. Step 4: Simplify right side
    3,328x = 43,665,664
  5. Step 5: Solve for x
    x = 43,665,664/3,328
  6. Step 6: Final answer
    x = 13,120.69

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Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.