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Finding the Third Proportional to 2,143 and 4,667

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Solution

The third proportional to 2,143 and 4,667 is: 10,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143 : 4,667 = 4,667 : x
  2. Step 2: Convert to fraction form
    2,143/4,667 = 4,667/x
  3. Step 3: Cross multiply
    2,143x = 4,667 × 4,667
  4. Step 4: Simplify right side
    2,143x = 21,780,889
  5. Step 5: Solve for x
    x = 21,780,889/2,143
  6. Step 6: Final answer
    x = 10,163.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.