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Finding the Third Proportional to 4,375 and 8,525

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Solution

The third proportional to 4,375 and 8,525 is: 16,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375 : 8,525 = 8,525 : x
  2. Step 2: Convert to fraction form
    4,375/8,525 = 8,525/x
  3. Step 3: Cross multiply
    4,375x = 8,525 × 8,525
  4. Step 4: Simplify right side
    4,375x = 72,675,625
  5. Step 5: Solve for x
    x = 72,675,625/4,375
  6. Step 6: Final answer
    x = 16,611.57

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.