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Finding the Third Proportional to 5,166 and 9,212

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Solution

The third proportional to 5,166 and 9,212 is: 16,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166 : 9,212 = 9,212 : x
  2. Step 2: Convert to fraction form
    5,166/9,212 = 9,212/x
  3. Step 3: Cross multiply
    5,166x = 9,212 × 9,212
  4. Step 4: Simplify right side
    5,166x = 84,860,944
  5. Step 5: Solve for x
    x = 84,860,944/5,166
  6. Step 6: Final answer
    x = 16,426.82

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.