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Finding the Third Proportional to 133,413.75 and 202,871.25

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Solution

The third proportional to 133,413.75 and 202,871.25 is: 308,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,413.75 : 202,871.25 = 202,871.25 : x
  2. Step 2: Convert to fraction form
    133,413.75/202,871.25 = 202,871.25/x
  3. Step 3: Cross multiply
    133,413.75x = 202,871.25 × 202,871.25
  4. Step 4: Simplify right side
    133,413.75x = 41,156,744,076.56
  5. Step 5: Solve for x
    x = 41,156,744,076.56/133,413.75
  6. Step 6: Final answer
    x = 308,489.52

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.