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Finding the Third Proportional to 119.50 and 248

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Solution

The third proportional to 119.50 and 248 is: 514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.50 : 248 = 248 : x
  2. Step 2: Convert to fraction form
    119.50/248 = 248/x
  3. Step 3: Cross multiply
    119.50x = 248 × 248
  4. Step 4: Simplify right side
    119.50x = 61,504
  5. Step 5: Solve for x
    x = 61,504/119.50
  6. Step 6: Final answer
    x = 514.68

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.