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Finding the Third Proportional to 3,512 and 7,125

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Solution

The third proportional to 3,512 and 7,125 is: 14,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512 : 7,125 = 7,125 : x
  2. Step 2: Convert to fraction form
    3,512/7,125 = 7,125/x
  3. Step 3: Cross multiply
    3,512x = 7,125 × 7,125
  4. Step 4: Simplify right side
    3,512x = 50,765,625
  5. Step 5: Solve for x
    x = 50,765,625/3,512
  6. Step 6: Final answer
    x = 14,454.90

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.