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Finding the Third Proportional to 19,305 and 41,868

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Solution

The third proportional to 19,305 and 41,868 is: 90,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305 : 41,868 = 41,868 : x
  2. Step 2: Convert to fraction form
    19,305/41,868 = 41,868/x
  3. Step 3: Cross multiply
    19,305x = 41,868 × 41,868
  4. Step 4: Simplify right side
    19,305x = 1,752,929,424
  5. Step 5: Solve for x
    x = 1,752,929,424/19,305
  6. Step 6: Final answer
    x = 90,801.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.