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Finding the Third Proportional to 3,175 and 4,291

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Solution

The third proportional to 3,175 and 4,291 is: 5,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175 : 4,291 = 4,291 : x
  2. Step 2: Convert to fraction form
    3,175/4,291 = 4,291/x
  3. Step 3: Cross multiply
    3,175x = 4,291 × 4,291
  4. Step 4: Simplify right side
    3,175x = 18,412,681
  5. Step 5: Solve for x
    x = 18,412,681/3,175
  6. Step 6: Final answer
    x = 5,799.27

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.