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Finding the Third Proportional to 4,214 and 8,108

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Solution

The third proportional to 4,214 and 8,108 is: 15,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214 : 8,108 = 8,108 : x
  2. Step 2: Convert to fraction form
    4,214/8,108 = 8,108/x
  3. Step 3: Cross multiply
    4,214x = 8,108 × 8,108
  4. Step 4: Simplify right side
    4,214x = 65,739,664
  5. Step 5: Solve for x
    x = 65,739,664/4,214
  6. Step 6: Final answer
    x = 15,600.30

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.