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Finding the Third Proportional to 6,698.25 and 14,286.38

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Solution

The third proportional to 6,698.25 and 14,286.38 is: 30,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.25 : 14,286.38 = 14,286.38 : x
  2. Step 2: Convert to fraction form
    6,698.25/14,286.38 = 14,286.38/x
  3. Step 3: Cross multiply
    6,698.25x = 14,286.38 × 14,286.38
  4. Step 4: Simplify right side
    6,698.25x = 204,100,510.64
  5. Step 5: Solve for x
    x = 204,100,510.64/6,698.25
  6. Step 6: Final answer
    x = 30,470.72

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.