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Finding the Third Proportional to 228.75 and 468.38

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Solution

The third proportional to 228.75 and 468.38 is: 959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.75 : 468.38 = 468.38 : x
  2. Step 2: Convert to fraction form
    228.75/468.38 = 468.38/x
  3. Step 3: Cross multiply
    228.75x = 468.38 × 468.38
  4. Step 4: Simplify right side
    228.75x = 219,375.14
  5. Step 5: Solve for x
    x = 219,375.14/228.75
  6. Step 6: Final answer
    x = 959.02

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.