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Finding the Third Proportional to 2,558 and 6,161

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Solution

The third proportional to 2,558 and 6,161 is: 14,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558 : 6,161 = 6,161 : x
  2. Step 2: Convert to fraction form
    2,558/6,161 = 6,161/x
  3. Step 3: Cross multiply
    2,558x = 6,161 × 6,161
  4. Step 4: Simplify right side
    2,558x = 37,957,921
  5. Step 5: Solve for x
    x = 37,957,921/2,558
  6. Step 6: Final answer
    x = 14,838.91

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.