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Finding the Third Proportional to 325.13 and 844.31

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Solution

The third proportional to 325.13 and 844.31 is: 2,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.13 : 844.31 = 844.31 : x
  2. Step 2: Convert to fraction form
    325.13/844.31 = 844.31/x
  3. Step 3: Cross multiply
    325.13x = 844.31 × 844.31
  4. Step 4: Simplify right side
    325.13x = 712,863.60
  5. Step 5: Solve for x
    x = 712,863.60/325.13
  6. Step 6: Final answer
    x = 2,192.58

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.