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Finding the Third Proportional to 797.25 and 1,908.75

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Solution

The third proportional to 797.25 and 1,908.75 is: 4,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.25 : 1,908.75 = 1,908.75 : x
  2. Step 2: Convert to fraction form
    797.25/1,908.75 = 1,908.75/x
  3. Step 3: Cross multiply
    797.25x = 1,908.75 × 1,908.75
  4. Step 4: Simplify right side
    797.25x = 3,643,326.56
  5. Step 5: Solve for x
    x = 3,643,326.56/797.25
  6. Step 6: Final answer
    x = 4,569.87

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.