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Finding the Third Proportional to 137,863.25 and 303,661.75

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Solution

The third proportional to 137,863.25 and 303,661.75 is: 668,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,863.25 : 303,661.75 = 303,661.75 : x
  2. Step 2: Convert to fraction form
    137,863.25/303,661.75 = 303,661.75/x
  3. Step 3: Cross multiply
    137,863.25x = 303,661.75 × 303,661.75
  4. Step 4: Simplify right side
    137,863.25x = 92,210,458,413.06
  5. Step 5: Solve for x
    x = 92,210,458,413.06/137,863.25
  6. Step 6: Final answer
    x = 668,854.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.