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Finding the Third Proportional to 6,138 and 9,162

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Solution

The third proportional to 6,138 and 9,162 is: 13,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138 : 9,162 = 9,162 : x
  2. Step 2: Convert to fraction form
    6,138/9,162 = 9,162/x
  3. Step 3: Cross multiply
    6,138x = 9,162 × 9,162
  4. Step 4: Simplify right side
    6,138x = 83,942,244
  5. Step 5: Solve for x
    x = 83,942,244/6,138
  6. Step 6: Final answer
    x = 13,675.83

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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.