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Finding the Third Proportional to 161.75 and 228.88

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Solution

The third proportional to 161.75 and 228.88 is: 323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.75 : 228.88 = 228.88 : x
  2. Step 2: Convert to fraction form
    161.75/228.88 = 228.88/x
  3. Step 3: Cross multiply
    161.75x = 228.88 × 228.88
  4. Step 4: Simplify right side
    161.75x = 52,383.77
  5. Step 5: Solve for x
    x = 52,383.77/161.75
  6. Step 6: Final answer
    x = 323.86

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.