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Finding the Third Proportional to 796.88 and 1,679.63

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Solution

The third proportional to 796.88 and 1,679.63 is: 3,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.88 : 1,679.63 = 1,679.63 : x
  2. Step 2: Convert to fraction form
    796.88/1,679.63 = 1,679.63/x
  3. Step 3: Cross multiply
    796.88x = 1,679.63 × 1,679.63
  4. Step 4: Simplify right side
    796.88x = 2,821,140.14
  5. Step 5: Solve for x
    x = 2,821,140.14/796.88
  6. Step 6: Final answer
    x = 3,540.25

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.