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Finding the Third Proportional to 4,072 and 6,108

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Solution

The third proportional to 4,072 and 6,108 is: 9,162

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072 : 6,108 = 6,108 : x
  2. Step 2: Convert to fraction form
    4,072/6,108 = 6,108/x
  3. Step 3: Cross multiply
    4,072x = 6,108 × 6,108
  4. Step 4: Simplify right side
    4,072x = 37,307,664
  5. Step 5: Solve for x
    x = 37,307,664/4,072
  6. Step 6: Final answer
    x = 9,162

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.