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Finding the Third Proportional to 2,832.75 and 6,121.69

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Solution

The third proportional to 2,832.75 and 6,121.69 is: 13,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.75 : 6,121.69 = 6,121.69 : x
  2. Step 2: Convert to fraction form
    2,832.75/6,121.69 = 6,121.69/x
  3. Step 3: Cross multiply
    2,832.75x = 6,121.69 × 6,121.69
  4. Step 4: Simplify right side
    2,832.75x = 37,475,057.85
  5. Step 5: Solve for x
    x = 37,475,057.85/2,832.75
  6. Step 6: Final answer
    x = 13,229.21

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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.