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Finding the Third Proportional to 3,858.19 and 5,462.44

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Solution

The third proportional to 3,858.19 and 5,462.44 is: 7,733.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.19 : 5,462.44 = 5,462.44 : x
  2. Step 2: Convert to fraction form
    3,858.19/5,462.44 = 5,462.44/x
  3. Step 3: Cross multiply
    3,858.19x = 5,462.44 × 5,462.44
  4. Step 4: Simplify right side
    3,858.19x = 29,838,223.44
  5. Step 5: Solve for x
    x = 29,838,223.44/3,858.19
  6. Step 6: Final answer
    x = 7,733.74

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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.