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Finding the Third Proportional to 94 and 139.75

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Solution

The third proportional to 94 and 139.75 is: 207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94 : 139.75 = 139.75 : x
  2. Step 2: Convert to fraction form
    94/139.75 = 139.75/x
  3. Step 3: Cross multiply
    94x = 139.75 × 139.75
  4. Step 4: Simplify right side
    94x = 19,530.06
  5. Step 5: Solve for x
    x = 19,530.06/94
  6. Step 6: Final answer
    x = 207.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.