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Finding the Third Proportional to 133,380.75 and 195,078.75

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Solution

The third proportional to 133,380.75 and 195,078.75 is: 285,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,380.75 : 195,078.75 = 195,078.75 : x
  2. Step 2: Convert to fraction form
    133,380.75/195,078.75 = 195,078.75/x
  3. Step 3: Cross multiply
    133,380.75x = 195,078.75 × 195,078.75
  4. Step 4: Simplify right side
    133,380.75x = 38,055,718,701.56
  5. Step 5: Solve for x
    x = 38,055,718,701.56/133,380.75
  6. Step 6: Final answer
    x = 285,316.42

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.