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Finding the Third Proportional to 162.75 and 228

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Solution

The third proportional to 162.75 and 228 is: 319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.75 : 228 = 228 : x
  2. Step 2: Convert to fraction form
    162.75/228 = 228/x
  3. Step 3: Cross multiply
    162.75x = 228 × 228
  4. Step 4: Simplify right side
    162.75x = 51,984
  5. Step 5: Solve for x
    x = 51,984/162.75
  6. Step 6: Final answer
    x = 319.41

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.