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Finding the Third Proportional to 11,375.03 and 17,221.66

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Solution

The third proportional to 11,375.03 and 17,221.66 is: 26,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.03 : 17,221.66 = 17,221.66 : x
  2. Step 2: Convert to fraction form
    11,375.03/17,221.66 = 17,221.66/x
  3. Step 3: Cross multiply
    11,375.03x = 17,221.66 × 17,221.66
  4. Step 4: Simplify right side
    11,375.03x = 296,585,443.99
  5. Step 5: Solve for x
    x = 296,585,443.99/11,375.03
  6. Step 6: Final answer
    x = 26,073.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.