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Finding the Third Proportional to 230.25 and 301.50

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Solution

The third proportional to 230.25 and 301.50 is: 394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.25 : 301.50 = 301.50 : x
  2. Step 2: Convert to fraction form
    230.25/301.50 = 301.50/x
  3. Step 3: Cross multiply
    230.25x = 301.50 × 301.50
  4. Step 4: Simplify right side
    230.25x = 90,902.25
  5. Step 5: Solve for x
    x = 90,902.25/230.25
  6. Step 6: Final answer
    x = 394.80

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.