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Finding the Third Proportional to 3,862 and 8,448.50

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Solution

The third proportional to 3,862 and 8,448.50 is: 18,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862 : 8,448.50 = 8,448.50 : x
  2. Step 2: Convert to fraction form
    3,862/8,448.50 = 8,448.50/x
  3. Step 3: Cross multiply
    3,862x = 8,448.50 × 8,448.50
  4. Step 4: Simplify right side
    3,862x = 71,377,152.25
  5. Step 5: Solve for x
    x = 71,377,152.25/3,862
  6. Step 6: Final answer
    x = 18,481.91

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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.