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Finding the Third Proportional to 3,200.25 and 6,906.75

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Solution

The third proportional to 3,200.25 and 6,906.75 is: 14,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.25 : 6,906.75 = 6,906.75 : x
  2. Step 2: Convert to fraction form
    3,200.25/6,906.75 = 6,906.75/x
  3. Step 3: Cross multiply
    3,200.25x = 6,906.75 × 6,906.75
  4. Step 4: Simplify right side
    3,200.25x = 47,703,195.56
  5. Step 5: Solve for x
    x = 47,703,195.56/3,200.25
  6. Step 6: Final answer
    x = 14,906.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.