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Finding the Third Proportional to 3,682.13 and 8,899.88

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Solution

The third proportional to 3,682.13 and 8,899.88 is: 21,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.13 : 8,899.88 = 8,899.88 : x
  2. Step 2: Convert to fraction form
    3,682.13/8,899.88 = 8,899.88/x
  3. Step 3: Cross multiply
    3,682.13x = 8,899.88 × 8,899.88
  4. Step 4: Simplify right side
    3,682.13x = 79,207,775.02
  5. Step 5: Solve for x
    x = 79,207,775.02/3,682.13
  6. Step 6: Final answer
    x = 21,511.43

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.