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Finding the Third Proportional to 169.25 and 229

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Solution

The third proportional to 169.25 and 229 is: 309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.25 : 229 = 229 : x
  2. Step 2: Convert to fraction form
    169.25/229 = 229/x
  3. Step 3: Cross multiply
    169.25x = 229 × 229
  4. Step 4: Simplify right side
    169.25x = 52,441
  5. Step 5: Solve for x
    x = 52,441/169.25
  6. Step 6: Final answer
    x = 309.84

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.