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Finding the Third Proportional to 360.50 and 779

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Solution

The third proportional to 360.50 and 779 is: 1,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.50 : 779 = 779 : x
  2. Step 2: Convert to fraction form
    360.50/779 = 779/x
  3. Step 3: Cross multiply
    360.50x = 779 × 779
  4. Step 4: Simplify right side
    360.50x = 606,841
  5. Step 5: Solve for x
    x = 606,841/360.50
  6. Step 6: Final answer
    x = 1,683.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.