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Finding the Third Proportional to 91,734.50 and 138,525.75

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Solution

The third proportional to 91,734.50 and 138,525.75 is: 209,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,734.50 : 138,525.75 = 138,525.75 : x
  2. Step 2: Convert to fraction form
    91,734.50/138,525.75 = 138,525.75/x
  3. Step 3: Cross multiply
    91,734.50x = 138,525.75 × 138,525.75
  4. Step 4: Simplify right side
    91,734.50x = 19,189,383,413.06
  5. Step 5: Solve for x
    x = 19,189,383,413.06/91,734.50
  6. Step 6: Final answer
    x = 209,183.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.