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Finding the Third Proportional to 806.84 and 1,759.22

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Solution

The third proportional to 806.84 and 1,759.22 is: 3,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    806.84 : 1,759.22 = 1,759.22 : x
  2. Step 2: Convert to fraction form
    806.84/1,759.22 = 1,759.22/x
  3. Step 3: Cross multiply
    806.84x = 1,759.22 × 1,759.22
  4. Step 4: Simplify right side
    806.84x = 3,094,850.61
  5. Step 5: Solve for x
    x = 3,094,850.61/806.84
  6. Step 6: Final answer
    x = 3,835.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.