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Finding the Third Proportional to 20,796.75 and 27,118.13

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Solution

The third proportional to 20,796.75 and 27,118.13 is: 35,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.75 : 27,118.13 = 27,118.13 : x
  2. Step 2: Convert to fraction form
    20,796.75/27,118.13 = 27,118.13/x
  3. Step 3: Cross multiply
    20,796.75x = 27,118.13 × 27,118.13
  4. Step 4: Simplify right side
    20,796.75x = 735,392,703.52
  5. Step 5: Solve for x
    x = 735,392,703.52/20,796.75
  6. Step 6: Final answer
    x = 35,360.94

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.