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Finding the Third Proportional to 169.88 and 404.81

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Solution

The third proportional to 169.88 and 404.81 is: 964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.88 : 404.81 = 404.81 : x
  2. Step 2: Convert to fraction form
    169.88/404.81 = 404.81/x
  3. Step 3: Cross multiply
    169.88x = 404.81 × 404.81
  4. Step 4: Simplify right side
    169.88x = 163,873.16
  5. Step 5: Solve for x
    x = 163,873.16/169.88
  6. Step 6: Final answer
    x = 964.67

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.