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Finding the Third Proportional to 3,134 and 3,647

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Solution

The third proportional to 3,134 and 3,647 is: 4,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134 : 3,647 = 3,647 : x
  2. Step 2: Convert to fraction form
    3,134/3,647 = 3,647/x
  3. Step 3: Cross multiply
    3,134x = 3,647 × 3,647
  4. Step 4: Simplify right side
    3,134x = 13,300,609
  5. Step 5: Solve for x
    x = 13,300,609/3,134
  6. Step 6: Final answer
    x = 4,243.97

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.