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Finding the Third Proportional to 799.88 and 1,755.28

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Solution

The third proportional to 799.88 and 1,755.28 is: 3,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.88 : 1,755.28 = 1,755.28 : x
  2. Step 2: Convert to fraction form
    799.88/1,755.28 = 1,755.28/x
  3. Step 3: Cross multiply
    799.88x = 1,755.28 × 1,755.28
  4. Step 4: Simplify right side
    799.88x = 3,081,012.27
  5. Step 5: Solve for x
    x = 3,081,012.27/799.88
  6. Step 6: Final answer
    x = 3,851.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.