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Finding the Third Proportional to 805.44 and 1,716.38

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Solution

The third proportional to 805.44 and 1,716.38 is: 3,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    805.44 : 1,716.38 = 1,716.38 : x
  2. Step 2: Convert to fraction form
    805.44/1,716.38 = 1,716.38/x
  3. Step 3: Cross multiply
    805.44x = 1,716.38 × 1,716.38
  4. Step 4: Simplify right side
    805.44x = 2,945,943.14
  5. Step 5: Solve for x
    x = 2,945,943.14/805.44
  6. Step 6: Final answer
    x = 3,657.57

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.