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Finding the Third Proportional to 228.75 and 494

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Solution

The third proportional to 228.75 and 494 is: 1,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.75 : 494 = 494 : x
  2. Step 2: Convert to fraction form
    228.75/494 = 494/x
  3. Step 3: Cross multiply
    228.75x = 494 × 494
  4. Step 4: Simplify right side
    228.75x = 244,036
  5. Step 5: Solve for x
    x = 244,036/228.75
  6. Step 6: Final answer
    x = 1,066.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.