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Finding the Third Proportional to 371.25 and 798.19

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Solution

The third proportional to 371.25 and 798.19 is: 1,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.25 : 798.19 = 798.19 : x
  2. Step 2: Convert to fraction form
    371.25/798.19 = 798.19/x
  3. Step 3: Cross multiply
    371.25x = 798.19 × 798.19
  4. Step 4: Simplify right side
    371.25x = 637,103.29
  5. Step 5: Solve for x
    x = 637,103.29/371.25
  6. Step 6: Final answer
    x = 1,716.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.