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Finding the Third Proportional to 38,855.25 and 80,473.50

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Solution

The third proportional to 38,855.25 and 80,473.50 is: 166,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.25 : 80,473.50 = 80,473.50 : x
  2. Step 2: Convert to fraction form
    38,855.25/80,473.50 = 80,473.50/x
  3. Step 3: Cross multiply
    38,855.25x = 80,473.50 × 80,473.50
  4. Step 4: Simplify right side
    38,855.25x = 6,475,984,202.25
  5. Step 5: Solve for x
    x = 6,475,984,202.25/38,855.25
  6. Step 6: Final answer
    x = 166,669.48

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.