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Finding the Third Proportional to 352.38 and 471.75

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Solution

The third proportional to 352.38 and 471.75 is: 631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.38 : 471.75 = 471.75 : x
  2. Step 2: Convert to fraction form
    352.38/471.75 = 471.75/x
  3. Step 3: Cross multiply
    352.38x = 471.75 × 471.75
  4. Step 4: Simplify right side
    352.38x = 222,548.06
  5. Step 5: Solve for x
    x = 222,548.06/352.38
  6. Step 6: Final answer
    x = 631.57

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.