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Finding the Third Proportional to 33,765.50 and 78,171

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Solution

The third proportional to 33,765.50 and 78,171 is: 180,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,765.50 : 78,171 = 78,171 : x
  2. Step 2: Convert to fraction form
    33,765.50/78,171 = 78,171/x
  3. Step 3: Cross multiply
    33,765.50x = 78,171 × 78,171
  4. Step 4: Simplify right side
    33,765.50x = 6,110,705,241
  5. Step 5: Solve for x
    x = 6,110,705,241/33,765.50
  6. Step 6: Final answer
    x = 180,974.82

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.