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Finding the Third Proportional to 115.94 and 251.94

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Solution

The third proportional to 115.94 and 251.94 is: 547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.94 : 251.94 = 251.94 : x
  2. Step 2: Convert to fraction form
    115.94/251.94 = 251.94/x
  3. Step 3: Cross multiply
    115.94x = 251.94 × 251.94
  4. Step 4: Simplify right side
    115.94x = 63,472.50
  5. Step 5: Solve for x
    x = 63,472.50/115.94
  6. Step 6: Final answer
    x = 547.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.