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Finding the Third Proportional to 4,406 and 8,186

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Solution

The third proportional to 4,406 and 8,186 is: 15,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406 : 8,186 = 8,186 : x
  2. Step 2: Convert to fraction form
    4,406/8,186 = 8,186/x
  3. Step 3: Cross multiply
    4,406x = 8,186 × 8,186
  4. Step 4: Simplify right side
    4,406x = 67,010,596
  5. Step 5: Solve for x
    x = 67,010,596/4,406
  6. Step 6: Final answer
    x = 15,208.94

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.