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Finding the Third Proportional to 230.50 and 250.50

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Solution

The third proportional to 230.50 and 250.50 is: 272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.50 : 250.50 = 250.50 : x
  2. Step 2: Convert to fraction form
    230.50/250.50 = 250.50/x
  3. Step 3: Cross multiply
    230.50x = 250.50 × 250.50
  4. Step 4: Simplify right side
    230.50x = 62,750.25
  5. Step 5: Solve for x
    x = 62,750.25/230.50
  6. Step 6: Final answer
    x = 272.24

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.