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Finding the Third Proportional to 2,270 and 3,425

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Solution

The third proportional to 2,270 and 3,425 is: 5,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270 : 3,425 = 3,425 : x
  2. Step 2: Convert to fraction form
    2,270/3,425 = 3,425/x
  3. Step 3: Cross multiply
    2,270x = 3,425 × 3,425
  4. Step 4: Simplify right side
    2,270x = 11,730,625
  5. Step 5: Solve for x
    x = 11,730,625/2,270
  6. Step 6: Final answer
    x = 5,167.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.