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Finding the Third Proportional to 190.25 and 207

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Solution

The third proportional to 190.25 and 207 is: 225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.25 : 207 = 207 : x
  2. Step 2: Convert to fraction form
    190.25/207 = 207/x
  3. Step 3: Cross multiply
    190.25x = 207 × 207
  4. Step 4: Simplify right side
    190.25x = 42,849
  5. Step 5: Solve for x
    x = 42,849/190.25
  6. Step 6: Final answer
    x = 225.22

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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.