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Finding the Third Proportional to 764 and 1,799

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Solution

The third proportional to 764 and 1,799 is: 4,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    764 : 1,799 = 1,799 : x
  2. Step 2: Convert to fraction form
    764/1,799 = 1,799/x
  3. Step 3: Cross multiply
    764x = 1,799 × 1,799
  4. Step 4: Simplify right side
    764x = 3,236,401
  5. Step 5: Solve for x
    x = 3,236,401/764
  6. Step 6: Final answer
    x = 4,236.13

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.