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Finding the Third Proportional to 3,240 and 6,825.83

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Solution

The third proportional to 3,240 and 6,825.83 is: 14,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240 : 6,825.83 = 6,825.83 : x
  2. Step 2: Convert to fraction form
    3,240/6,825.83 = 6,825.83/x
  3. Step 3: Cross multiply
    3,240x = 6,825.83 × 6,825.83
  4. Step 4: Simplify right side
    3,240x = 46,591,982.92
  5. Step 5: Solve for x
    x = 46,591,982.92/3,240
  6. Step 6: Final answer
    x = 14,380.24

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.