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Finding the Third Proportional to 11,239 and 16,189

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Solution

The third proportional to 11,239 and 16,189 is: 23,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239 : 16,189 = 16,189 : x
  2. Step 2: Convert to fraction form
    11,239/16,189 = 16,189/x
  3. Step 3: Cross multiply
    11,239x = 16,189 × 16,189
  4. Step 4: Simplify right side
    11,239x = 262,083,721
  5. Step 5: Solve for x
    x = 262,083,721/11,239
  6. Step 6: Final answer
    x = 23,319.13

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.