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Finding the Third Proportional to 11,948 and 18,166

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Solution

The third proportional to 11,948 and 18,166 is: 27,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948 : 18,166 = 18,166 : x
  2. Step 2: Convert to fraction form
    11,948/18,166 = 18,166/x
  3. Step 3: Cross multiply
    11,948x = 18,166 × 18,166
  4. Step 4: Simplify right side
    11,948x = 330,003,556
  5. Step 5: Solve for x
    x = 330,003,556/11,948
  6. Step 6: Final answer
    x = 27,619.98

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.