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Finding the Third Proportional to 3,230 and 6,805

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Solution

The third proportional to 3,230 and 6,805 is: 14,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230 : 6,805 = 6,805 : x
  2. Step 2: Convert to fraction form
    3,230/6,805 = 6,805/x
  3. Step 3: Cross multiply
    3,230x = 6,805 × 6,805
  4. Step 4: Simplify right side
    3,230x = 46,308,025
  5. Step 5: Solve for x
    x = 46,308,025/3,230
  6. Step 6: Final answer
    x = 14,336.85

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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.