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Finding the Third Proportional to 190.38 and 425.75

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Solution

The third proportional to 190.38 and 425.75 is: 952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.38 : 425.75 = 425.75 : x
  2. Step 2: Convert to fraction form
    190.38/425.75 = 425.75/x
  3. Step 3: Cross multiply
    190.38x = 425.75 × 425.75
  4. Step 4: Simplify right side
    190.38x = 181,263.06
  5. Step 5: Solve for x
    x = 181,263.06/190.38
  6. Step 6: Final answer
    x = 952.14

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.