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Finding the Third Proportional to 679.22 and 1,466.44

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Solution

The third proportional to 679.22 and 1,466.44 is: 3,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    679.22 : 1,466.44 = 1,466.44 : x
  2. Step 2: Convert to fraction form
    679.22/1,466.44 = 1,466.44/x
  3. Step 3: Cross multiply
    679.22x = 1,466.44 × 1,466.44
  4. Step 4: Simplify right side
    679.22x = 2,150,438.94
  5. Step 5: Solve for x
    x = 2,150,438.94/679.22
  6. Step 6: Final answer
    x = 3,166.05

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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.