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Finding the Third Proportional to 248 and 459.25

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Solution

The third proportional to 248 and 459.25 is: 850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248 : 459.25 = 459.25 : x
  2. Step 2: Convert to fraction form
    248/459.25 = 459.25/x
  3. Step 3: Cross multiply
    248x = 459.25 × 459.25
  4. Step 4: Simplify right side
    248x = 210,910.56
  5. Step 5: Solve for x
    x = 210,910.56/248
  6. Step 6: Final answer
    x = 850.45

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.