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Finding the Third Proportional to 835.13 and 1,372.31

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Solution

The third proportional to 835.13 and 1,372.31 is: 2,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.13 : 1,372.31 = 1,372.31 : x
  2. Step 2: Convert to fraction form
    835.13/1,372.31 = 1,372.31/x
  3. Step 3: Cross multiply
    835.13x = 1,372.31 × 1,372.31
  4. Step 4: Simplify right side
    835.13x = 1,883,241.60
  5. Step 5: Solve for x
    x = 1,883,241.60/835.13
  6. Step 6: Final answer
    x = 2,255.04

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.