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Finding the Third Proportional to 41,940 and 91,260

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Solution

The third proportional to 41,940 and 91,260 is: 198,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,940 : 91,260 = 91,260 : x
  2. Step 2: Convert to fraction form
    41,940/91,260 = 91,260/x
  3. Step 3: Cross multiply
    41,940x = 91,260 × 91,260
  4. Step 4: Simplify right side
    41,940x = 8,328,387,600
  5. Step 5: Solve for x
    x = 8,328,387,600/41,940
  6. Step 6: Final answer
    x = 198,578.63

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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.