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Finding the Third Proportional to 352.50 and 445.50

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Solution

The third proportional to 352.50 and 445.50 is: 563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.50 : 445.50 = 445.50 : x
  2. Step 2: Convert to fraction form
    352.50/445.50 = 445.50/x
  3. Step 3: Cross multiply
    352.50x = 445.50 × 445.50
  4. Step 4: Simplify right side
    352.50x = 198,470.25
  5. Step 5: Solve for x
    x = 198,470.25/352.50
  6. Step 6: Final answer
    x = 563.04

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.