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Finding the Third Proportional to 8,120.25 and 16,463.25

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Solution

The third proportional to 8,120.25 and 16,463.25 is: 33,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.25 : 16,463.25 = 16,463.25 : x
  2. Step 2: Convert to fraction form
    8,120.25/16,463.25 = 16,463.25/x
  3. Step 3: Cross multiply
    8,120.25x = 16,463.25 × 16,463.25
  4. Step 4: Simplify right side
    8,120.25x = 271,038,600.56
  5. Step 5: Solve for x
    x = 271,038,600.56/8,120.25
  6. Step 6: Final answer
    x = 33,378.11

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.