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Finding the Third Proportional to 3,443 and 4,872.50

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Solution

The third proportional to 3,443 and 4,872.50 is: 6,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443 : 4,872.50 = 4,872.50 : x
  2. Step 2: Convert to fraction form
    3,443/4,872.50 = 4,872.50/x
  3. Step 3: Cross multiply
    3,443x = 4,872.50 × 4,872.50
  4. Step 4: Simplify right side
    3,443x = 23,741,256.25
  5. Step 5: Solve for x
    x = 23,741,256.25/3,443
  6. Step 6: Final answer
    x = 6,895.51

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.