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Finding the Third Proportional to 3,810 and 5,667

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Solution

The third proportional to 3,810 and 5,667 is: 8,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810 : 5,667 = 5,667 : x
  2. Step 2: Convert to fraction form
    3,810/5,667 = 5,667/x
  3. Step 3: Cross multiply
    3,810x = 5,667 × 5,667
  4. Step 4: Simplify right side
    3,810x = 32,114,889
  5. Step 5: Solve for x
    x = 32,114,889/3,810
  6. Step 6: Final answer
    x = 8,429.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.