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Finding the Third Proportional to 773.30 and 1,699.73

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Solution

The third proportional to 773.30 and 1,699.73 is: 3,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.30 : 1,699.73 = 1,699.73 : x
  2. Step 2: Convert to fraction form
    773.30/1,699.73 = 1,699.73/x
  3. Step 3: Cross multiply
    773.30x = 1,699.73 × 1,699.73
  4. Step 4: Simplify right side
    773.30x = 2,889,096.95
  5. Step 5: Solve for x
    x = 2,889,096.95/773.30
  6. Step 6: Final answer
    x = 3,736.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.