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Finding the Third Proportional to 326.53 and 789.75

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Solution

The third proportional to 326.53 and 789.75 is: 1,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.53 : 789.75 = 789.75 : x
  2. Step 2: Convert to fraction form
    326.53/789.75 = 789.75/x
  3. Step 3: Cross multiply
    326.53x = 789.75 × 789.75
  4. Step 4: Simplify right side
    326.53x = 623,705.06
  5. Step 5: Solve for x
    x = 623,705.06/326.53
  6. Step 6: Final answer
    x = 1,910.09

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These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.