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Finding the Third Proportional to 3,568.11 and 7,819.66

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Solution

The third proportional to 3,568.11 and 7,819.66 is: 17,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.11 : 7,819.66 = 7,819.66 : x
  2. Step 2: Convert to fraction form
    3,568.11/7,819.66 = 7,819.66/x
  3. Step 3: Cross multiply
    3,568.11x = 7,819.66 × 7,819.66
  4. Step 4: Simplify right side
    3,568.11x = 61,147,146.05
  5. Step 5: Solve for x
    x = 61,147,146.05/3,568.11
  6. Step 6: Final answer
    x = 17,137.11

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.