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Finding the Third Proportional to 19,091.25 and 41,121

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Solution

The third proportional to 19,091.25 and 41,121 is: 88,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.25 : 41,121 = 41,121 : x
  2. Step 2: Convert to fraction form
    19,091.25/41,121 = 41,121/x
  3. Step 3: Cross multiply
    19,091.25x = 41,121 × 41,121
  4. Step 4: Simplify right side
    19,091.25x = 1,690,936,641
  5. Step 5: Solve for x
    x = 1,690,936,641/19,091.25
  6. Step 6: Final answer
    x = 88,571.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.