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Finding the Third Proportional to 91,146 and 136,413.75

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Solution

The third proportional to 91,146 and 136,413.75 is: 204,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146 : 136,413.75 = 136,413.75 : x
  2. Step 2: Convert to fraction form
    91,146/136,413.75 = 136,413.75/x
  3. Step 3: Cross multiply
    91,146x = 136,413.75 × 136,413.75
  4. Step 4: Simplify right side
    91,146x = 18,608,711,189.06
  5. Step 5: Solve for x
    x = 18,608,711,189.06/91,146
  6. Step 6: Final answer
    x = 204,163.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.