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Finding the Third Proportional to 190.97 and 411.94

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Solution

The third proportional to 190.97 and 411.94 is: 888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.97 : 411.94 = 411.94 : x
  2. Step 2: Convert to fraction form
    190.97/411.94 = 411.94/x
  3. Step 3: Cross multiply
    190.97x = 411.94 × 411.94
  4. Step 4: Simplify right side
    190.97x = 169,692.50
  5. Step 5: Solve for x
    x = 169,692.50/190.97
  6. Step 6: Final answer
    x = 888.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.