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Finding the Third Proportional to 94.25 and 215

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Solution

The third proportional to 94.25 and 215 is: 490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.25 : 215 = 215 : x
  2. Step 2: Convert to fraction form
    94.25/215 = 215/x
  3. Step 3: Cross multiply
    94.25x = 215 × 215
  4. Step 4: Simplify right side
    94.25x = 46,225
  5. Step 5: Solve for x
    x = 46,225/94.25
  6. Step 6: Final answer
    x = 490.45

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.