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Finding the Third Proportional to 317.25 and 837

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Solution

The third proportional to 317.25 and 837 is: 2,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.25 : 837 = 837 : x
  2. Step 2: Convert to fraction form
    317.25/837 = 837/x
  3. Step 3: Cross multiply
    317.25x = 837 × 837
  4. Step 4: Simplify right side
    317.25x = 700,569
  5. Step 5: Solve for x
    x = 700,569/317.25
  6. Step 6: Final answer
    x = 2,208.26

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Why These Related Problems?

These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.