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Finding the Third Proportional to 114.94 and 154.88

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Solution

The third proportional to 114.94 and 154.88 is: 208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.94 : 154.88 = 154.88 : x
  2. Step 2: Convert to fraction form
    114.94/154.88 = 154.88/x
  3. Step 3: Cross multiply
    114.94x = 154.88 × 154.88
  4. Step 4: Simplify right side
    114.94x = 23,986.27
  5. Step 5: Solve for x
    x = 23,986.27/114.94
  6. Step 6: Final answer
    x = 208.69

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.