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Finding the Third Proportional to 837.25 and 1,809.75

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Solution

The third proportional to 837.25 and 1,809.75 is: 3,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.25 : 1,809.75 = 1,809.75 : x
  2. Step 2: Convert to fraction form
    837.25/1,809.75 = 1,809.75/x
  3. Step 3: Cross multiply
    837.25x = 1,809.75 × 1,809.75
  4. Step 4: Simplify right side
    837.25x = 3,275,195.06
  5. Step 5: Solve for x
    x = 3,275,195.06/837.25
  6. Step 6: Final answer
    x = 3,911.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.