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Finding the Third Proportional to 4,269.98 and 9,380.65

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Solution

The third proportional to 4,269.98 and 9,380.65 is: 20,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.98 : 9,380.65 = 9,380.65 : x
  2. Step 2: Convert to fraction form
    4,269.98/9,380.65 = 9,380.65/x
  3. Step 3: Cross multiply
    4,269.98x = 9,380.65 × 9,380.65
  4. Step 4: Simplify right side
    4,269.98x = 87,996,675.04
  5. Step 5: Solve for x
    x = 87,996,675.04/4,269.98
  6. Step 6: Final answer
    x = 20,608.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.