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Finding the Third Proportional to 2,872.97 and 6,361.88

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Solution

The third proportional to 2,872.97 and 6,361.88 is: 14,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.97 : 6,361.88 = 6,361.88 : x
  2. Step 2: Convert to fraction form
    2,872.97/6,361.88 = 6,361.88/x
  3. Step 3: Cross multiply
    2,872.97x = 6,361.88 × 6,361.88
  4. Step 4: Simplify right side
    2,872.97x = 40,473,453.52
  5. Step 5: Solve for x
    x = 40,473,453.52/2,872.97
  6. Step 6: Final answer
    x = 14,087.68

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.