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Finding the Third Proportional to 3,213.66 and 4,854.70

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Solution

The third proportional to 3,213.66 and 4,854.70 is: 7,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.66 : 4,854.70 = 4,854.70 : x
  2. Step 2: Convert to fraction form
    3,213.66/4,854.70 = 4,854.70/x
  3. Step 3: Cross multiply
    3,213.66x = 4,854.70 × 4,854.70
  4. Step 4: Simplify right side
    3,213.66x = 23,568,142.43
  5. Step 5: Solve for x
    x = 23,568,142.43/3,213.66
  6. Step 6: Final answer
    x = 7,333.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.