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Finding the Third Proportional to 119.60 and 187.95

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Solution

The third proportional to 119.60 and 187.95 is: 295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.60 : 187.95 = 187.95 : x
  2. Step 2: Convert to fraction form
    119.60/187.95 = 187.95/x
  3. Step 3: Cross multiply
    119.60x = 187.95 × 187.95
  4. Step 4: Simplify right side
    119.60x = 35,323.44
  5. Step 5: Solve for x
    x = 35,323.44/119.60
  6. Step 6: Final answer
    x = 295.34

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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.