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Finding the Third Proportional to 230.25 and 494.50

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Solution

The third proportional to 230.25 and 494.50 is: 1,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.25 : 494.50 = 494.50 : x
  2. Step 2: Convert to fraction form
    230.25/494.50 = 494.50/x
  3. Step 3: Cross multiply
    230.25x = 494.50 × 494.50
  4. Step 4: Simplify right side
    230.25x = 244,530.25
  5. Step 5: Solve for x
    x = 244,530.25/230.25
  6. Step 6: Final answer
    x = 1,062.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.