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Finding the Third Proportional to 169.94 and 282.38

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Solution

The third proportional to 169.94 and 282.38 is: 469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.94 : 282.38 = 282.38 : x
  2. Step 2: Convert to fraction form
    169.94/282.38 = 282.38/x
  3. Step 3: Cross multiply
    169.94x = 282.38 × 282.38
  4. Step 4: Simplify right side
    169.94x = 79,735.64
  5. Step 5: Solve for x
    x = 79,735.64/169.94
  6. Step 6: Final answer
    x = 469.21

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.