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Finding the Third Proportional to 3,695.25 and 8,210.25

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Solution

The third proportional to 3,695.25 and 8,210.25 is: 18,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.25 : 8,210.25 = 8,210.25 : x
  2. Step 2: Convert to fraction form
    3,695.25/8,210.25 = 8,210.25/x
  3. Step 3: Cross multiply
    3,695.25x = 8,210.25 × 8,210.25
  4. Step 4: Simplify right side
    3,695.25x = 67,408,205.06
  5. Step 5: Solve for x
    x = 67,408,205.06/3,695.25
  6. Step 6: Final answer
    x = 18,241.85

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.