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Finding the Third Proportional to 7,900 and 16,166

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Solution

The third proportional to 7,900 and 16,166 is: 33,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900 : 16,166 = 16,166 : x
  2. Step 2: Convert to fraction form
    7,900/16,166 = 16,166/x
  3. Step 3: Cross multiply
    7,900x = 16,166 × 16,166
  4. Step 4: Simplify right side
    7,900x = 261,339,556
  5. Step 5: Solve for x
    x = 261,339,556/7,900
  6. Step 6: Final answer
    x = 33,080.96

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.