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Finding the Third Proportional to 830.09 and 1,796.87

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Solution

The third proportional to 830.09 and 1,796.87 is: 3,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    830.09 : 1,796.87 = 1,796.87 : x
  2. Step 2: Convert to fraction form
    830.09/1,796.87 = 1,796.87/x
  3. Step 3: Cross multiply
    830.09x = 1,796.87 × 1,796.87
  4. Step 4: Simplify right side
    830.09x = 3,228,745.73
  5. Step 5: Solve for x
    x = 3,228,745.73/830.09
  6. Step 6: Final answer
    x = 3,889.62

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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.