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Finding the Third Proportional to 41,878 and 91,273

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Solution

The third proportional to 41,878 and 91,273 is: 198,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878 : 91,273 = 91,273 : x
  2. Step 2: Convert to fraction form
    41,878/91,273 = 91,273/x
  3. Step 3: Cross multiply
    41,878x = 91,273 × 91,273
  4. Step 4: Simplify right side
    41,878x = 8,330,760,529
  5. Step 5: Solve for x
    x = 8,330,760,529/41,878
  6. Step 6: Final answer
    x = 198,929.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.