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Finding the Third Proportional to 3,944 and 8,425

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Solution

The third proportional to 3,944 and 8,425 is: 17,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944 : 8,425 = 8,425 : x
  2. Step 2: Convert to fraction form
    3,944/8,425 = 8,425/x
  3. Step 3: Cross multiply
    3,944x = 8,425 × 8,425
  4. Step 4: Simplify right side
    3,944x = 70,980,625
  5. Step 5: Solve for x
    x = 70,980,625/3,944
  6. Step 6: Final answer
    x = 17,997.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.