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Finding the Third Proportional to 361.13 and 799.88

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Solution

The third proportional to 361.13 and 799.88 is: 1,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.13 : 799.88 = 799.88 : x
  2. Step 2: Convert to fraction form
    361.13/799.88 = 799.88/x
  3. Step 3: Cross multiply
    361.13x = 799.88 × 799.88
  4. Step 4: Simplify right side
    361.13x = 639,800.02
  5. Step 5: Solve for x
    x = 639,800.02/361.13
  6. Step 6: Final answer
    x = 1,771.69

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.