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Finding the Third Proportional to 10,072.13 and 20,791.13

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Solution

The third proportional to 10,072.13 and 20,791.13 is: 42,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.13 : 20,791.13 = 20,791.13 : x
  2. Step 2: Convert to fraction form
    10,072.13/20,791.13 = 20,791.13/x
  3. Step 3: Cross multiply
    10,072.13x = 20,791.13 × 20,791.13
  4. Step 4: Simplify right side
    10,072.13x = 432,270,878.77
  5. Step 5: Solve for x
    x = 432,270,878.77/10,072.13
  6. Step 6: Final answer
    x = 42,917.55

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.