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Finding the Third Proportional to 294.25 and 603.25

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Solution

The third proportional to 294.25 and 603.25 is: 1,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.25 : 603.25 = 603.25 : x
  2. Step 2: Convert to fraction form
    294.25/603.25 = 603.25/x
  3. Step 3: Cross multiply
    294.25x = 603.25 × 603.25
  4. Step 4: Simplify right side
    294.25x = 363,910.56
  5. Step 5: Solve for x
    x = 363,910.56/294.25
  6. Step 6: Final answer
    x = 1,236.74

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.