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Finding the Third Proportional to 3,902.63 and 8,956.13

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Solution

The third proportional to 3,902.63 and 8,956.13 is: 20,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.63 : 8,956.13 = 8,956.13 : x
  2. Step 2: Convert to fraction form
    3,902.63/8,956.13 = 8,956.13/x
  3. Step 3: Cross multiply
    3,902.63x = 8,956.13 × 8,956.13
  4. Step 4: Simplify right side
    3,902.63x = 80,212,175.02
  5. Step 5: Solve for x
    x = 80,212,175.02/3,902.63
  6. Step 6: Final answer
    x = 20,553.39

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.