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Finding the Third Proportional to 164.25 and 228.38

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Solution

The third proportional to 164.25 and 228.38 is: 317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.25 : 228.38 = 228.38 : x
  2. Step 2: Convert to fraction form
    164.25/228.38 = 228.38/x
  3. Step 3: Cross multiply
    164.25x = 228.38 × 228.38
  4. Step 4: Simplify right side
    164.25x = 52,155.14
  5. Step 5: Solve for x
    x = 52,155.14/164.25
  6. Step 6: Final answer
    x = 317.54

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.