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Finding the Third Proportional to 60.75 and 135.94

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Solution

The third proportional to 60.75 and 135.94 is: 304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.75 : 135.94 = 135.94 : x
  2. Step 2: Convert to fraction form
    60.75/135.94 = 135.94/x
  3. Step 3: Cross multiply
    60.75x = 135.94 × 135.94
  4. Step 4: Simplify right side
    60.75x = 18,479.00
  5. Step 5: Solve for x
    x = 18,479.00/60.75
  6. Step 6: Final answer
    x = 304.18

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.