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Finding the Third Proportional to 352.75 and 468.13

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Solution

The third proportional to 352.75 and 468.13 is: 621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.75 : 468.13 = 468.13 : x
  2. Step 2: Convert to fraction form
    352.75/468.13 = 468.13/x
  3. Step 3: Cross multiply
    352.75x = 468.13 × 468.13
  4. Step 4: Simplify right side
    352.75x = 219,141.02
  5. Step 5: Solve for x
    x = 219,141.02/352.75
  6. Step 6: Final answer
    x = 621.24

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.