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Finding the Third Proportional to 154.13 and 241.88

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Solution

The third proportional to 154.13 and 241.88 is: 379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.13 : 241.88 = 241.88 : x
  2. Step 2: Convert to fraction form
    154.13/241.88 = 241.88/x
  3. Step 3: Cross multiply
    154.13x = 241.88 × 241.88
  4. Step 4: Simplify right side
    154.13x = 58,503.52
  5. Step 5: Solve for x
    x = 58,503.52/154.13
  6. Step 6: Final answer
    x = 379.58

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.