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Finding the Third Proportional to 60.19 and 133.88

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Solution

The third proportional to 60.19 and 133.88 is: 297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.19 : 133.88 = 133.88 : x
  2. Step 2: Convert to fraction form
    60.19/133.88 = 133.88/x
  3. Step 3: Cross multiply
    60.19x = 133.88 × 133.88
  4. Step 4: Simplify right side
    60.19x = 17,922.52
  5. Step 5: Solve for x
    x = 17,922.52/60.19
  6. Step 6: Final answer
    x = 297.78

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.