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Finding the Third Proportional to 19,191.75 and 41,661.75

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Solution

The third proportional to 19,191.75 and 41,661.75 is: 90,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.75 : 41,661.75 = 41,661.75 : x
  2. Step 2: Convert to fraction form
    19,191.75/41,661.75 = 41,661.75/x
  3. Step 3: Cross multiply
    19,191.75x = 41,661.75 × 41,661.75
  4. Step 4: Simplify right side
    19,191.75x = 1,735,701,413.06
  5. Step 5: Solve for x
    x = 1,735,701,413.06/19,191.75
  6. Step 6: Final answer
    x = 90,439.98

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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.