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Finding the Third Proportional to 3,745.13 and 8,246.25

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Solution

The third proportional to 3,745.13 and 8,246.25 is: 18,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.13 : 8,246.25 = 8,246.25 : x
  2. Step 2: Convert to fraction form
    3,745.13/8,246.25 = 8,246.25/x
  3. Step 3: Cross multiply
    3,745.13x = 8,246.25 × 8,246.25
  4. Step 4: Simplify right side
    3,745.13x = 68,000,639.06
  5. Step 5: Solve for x
    x = 68,000,639.06/3,745.13
  6. Step 6: Final answer
    x = 18,157.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.