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Finding the Third Proportional to 158.91 and 350.44

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Solution

The third proportional to 158.91 and 350.44 is: 772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.91 : 350.44 = 350.44 : x
  2. Step 2: Convert to fraction form
    158.91/350.44 = 350.44/x
  3. Step 3: Cross multiply
    158.91x = 350.44 × 350.44
  4. Step 4: Simplify right side
    158.91x = 122,806.44
  5. Step 5: Solve for x
    x = 122,806.44/158.91
  6. Step 6: Final answer
    x = 772.82

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.