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Finding the Third Proportional to 799.88 and 1,851.61

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Solution

The third proportional to 799.88 and 1,851.61 is: 4,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.88 : 1,851.61 = 1,851.61 : x
  2. Step 2: Convert to fraction form
    799.88/1,851.61 = 1,851.61/x
  3. Step 3: Cross multiply
    799.88x = 1,851.61 × 1,851.61
  4. Step 4: Simplify right side
    799.88x = 3,428,457.28
  5. Step 5: Solve for x
    x = 3,428,457.28/799.88
  6. Step 6: Final answer
    x = 4,286.24

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.