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Finding the Third Proportional to 303 and 789.50

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Solution

The third proportional to 303 and 789.50 is: 2,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303 : 789.50 = 789.50 : x
  2. Step 2: Convert to fraction form
    303/789.50 = 789.50/x
  3. Step 3: Cross multiply
    303x = 789.50 × 789.50
  4. Step 4: Simplify right side
    303x = 623,310.25
  5. Step 5: Solve for x
    x = 623,310.25/303
  6. Step 6: Final answer
    x = 2,057.13

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Why These Related Problems?

These problems maintain the same ratio (2.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.