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Finding the Third Proportional to 158.95 and 238.41

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Solution

The third proportional to 158.95 and 238.41 is: 357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.95 : 238.41 = 238.41 : x
  2. Step 2: Convert to fraction form
    158.95/238.41 = 238.41/x
  3. Step 3: Cross multiply
    158.95x = 238.41 × 238.41
  4. Step 4: Simplify right side
    158.95x = 56,837.54
  5. Step 5: Solve for x
    x = 56,837.54/158.95
  6. Step 6: Final answer
    x = 357.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.