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Finding the Third Proportional to 5,605.88 and 8,682.19

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Solution

The third proportional to 5,605.88 and 8,682.19 is: 13,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.88 : 8,682.19 = 8,682.19 : x
  2. Step 2: Convert to fraction form
    5,605.88/8,682.19 = 8,682.19/x
  3. Step 3: Cross multiply
    5,605.88x = 8,682.19 × 8,682.19
  4. Step 4: Simplify right side
    5,605.88x = 75,380,379.79
  5. Step 5: Solve for x
    x = 75,380,379.79/5,605.88
  6. Step 6: Final answer
    x = 13,446.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.