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Finding the Third Proportional to 3,179.25 and 6,449.63

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Solution

The third proportional to 3,179.25 and 6,449.63 is: 13,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.25 : 6,449.63 = 6,449.63 : x
  2. Step 2: Convert to fraction form
    3,179.25/6,449.63 = 6,449.63/x
  3. Step 3: Cross multiply
    3,179.25x = 6,449.63 × 6,449.63
  4. Step 4: Simplify right side
    3,179.25x = 41,597,662.64
  5. Step 5: Solve for x
    x = 41,597,662.64/3,179.25
  6. Step 6: Final answer
    x = 13,084.11

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.