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Finding the Third Proportional to 352.69 and 928.13

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Solution

The third proportional to 352.69 and 928.13 is: 2,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.69 : 928.13 = 928.13 : x
  2. Step 2: Convert to fraction form
    352.69/928.13 = 928.13/x
  3. Step 3: Cross multiply
    352.69x = 928.13 × 928.13
  4. Step 4: Simplify right side
    352.69x = 861,416.02
  5. Step 5: Solve for x
    x = 861,416.02/352.69
  6. Step 6: Final answer
    x = 2,442.43

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.