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Finding the Third Proportional to 190.97 and 207.84

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Solution

The third proportional to 190.97 and 207.84 is: 226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.97 : 207.84 = 207.84 : x
  2. Step 2: Convert to fraction form
    190.97/207.84 = 207.84/x
  3. Step 3: Cross multiply
    190.97x = 207.84 × 207.84
  4. Step 4: Simplify right side
    190.97x = 43,199.02
  5. Step 5: Solve for x
    x = 43,199.02/190.97
  6. Step 6: Final answer
    x = 226.21

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.