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Finding the Third Proportional to 3,872.63 and 8,244.75

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Solution

The third proportional to 3,872.63 and 8,244.75 is: 17,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.63 : 8,244.75 = 8,244.75 : x
  2. Step 2: Convert to fraction form
    3,872.63/8,244.75 = 8,244.75/x
  3. Step 3: Cross multiply
    3,872.63x = 8,244.75 × 8,244.75
  4. Step 4: Simplify right side
    3,872.63x = 67,975,902.56
  5. Step 5: Solve for x
    x = 67,975,902.56/3,872.63
  6. Step 6: Final answer
    x = 17,552.93

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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.