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Finding the Third Proportional to 20,361.38 and 26,836.31

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Solution

The third proportional to 20,361.38 and 26,836.31 is: 35,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.38 : 26,836.31 = 26,836.31 : x
  2. Step 2: Convert to fraction form
    20,361.38/26,836.31 = 26,836.31/x
  3. Step 3: Cross multiply
    20,361.38x = 26,836.31 × 26,836.31
  4. Step 4: Simplify right side
    20,361.38x = 720,187,668.60
  5. Step 5: Solve for x
    x = 720,187,668.60/20,361.38
  6. Step 6: Final answer
    x = 35,370.29

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.