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Finding the Third Proportional to 20,676.75 and 27,036

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Solution

The third proportional to 20,676.75 and 27,036 is: 35,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.75 : 27,036 = 27,036 : x
  2. Step 2: Convert to fraction form
    20,676.75/27,036 = 27,036/x
  3. Step 3: Cross multiply
    20,676.75x = 27,036 × 27,036
  4. Step 4: Simplify right side
    20,676.75x = 730,945,296
  5. Step 5: Solve for x
    x = 730,945,296/20,676.75
  6. Step 6: Final answer
    x = 35,351.07

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.