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Finding the Third Proportional to 241.75 and 315

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Solution

The third proportional to 241.75 and 315 is: 410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.75 : 315 = 315 : x
  2. Step 2: Convert to fraction form
    241.75/315 = 315/x
  3. Step 3: Cross multiply
    241.75x = 315 × 315
  4. Step 4: Simplify right side
    241.75x = 99,225
  5. Step 5: Solve for x
    x = 99,225/241.75
  6. Step 6: Final answer
    x = 410.44

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.