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Finding the Third Proportional to 190.97 and 207.56

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Solution

The third proportional to 190.97 and 207.56 is: 225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.97 : 207.56 = 207.56 : x
  2. Step 2: Convert to fraction form
    190.97/207.56 = 207.56/x
  3. Step 3: Cross multiply
    190.97x = 207.56 × 207.56
  4. Step 4: Simplify right side
    190.97x = 43,082.19
  5. Step 5: Solve for x
    x = 43,082.19/190.97
  6. Step 6: Final answer
    x = 225.60

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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.