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Finding the Third Proportional to 3,380.91 and 6,336.56

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Solution

The third proportional to 3,380.91 and 6,336.56 is: 11,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.91 : 6,336.56 = 6,336.56 : x
  2. Step 2: Convert to fraction form
    3,380.91/6,336.56 = 6,336.56/x
  3. Step 3: Cross multiply
    3,380.91x = 6,336.56 × 6,336.56
  4. Step 4: Simplify right side
    3,380.91x = 40,152,024.32
  5. Step 5: Solve for x
    x = 40,152,024.32/3,380.91
  6. Step 6: Final answer
    x = 11,876.11

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.