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Finding the Third Proportional to 3,389.42 and 5,247.52

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Solution

The third proportional to 3,389.42 and 5,247.52 is: 8,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.42 : 5,247.52 = 5,247.52 : x
  2. Step 2: Convert to fraction form
    3,389.42/5,247.52 = 5,247.52/x
  3. Step 3: Cross multiply
    3,389.42x = 5,247.52 × 5,247.52
  4. Step 4: Simplify right side
    3,389.42x = 27,536,450.98
  5. Step 5: Solve for x
    x = 27,536,450.98/3,389.42
  6. Step 6: Final answer
    x = 8,124.23

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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.