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Finding the Third Proportional to 2,164.22 and 3,231.14

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Solution

The third proportional to 2,164.22 and 3,231.14 is: 4,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.22 : 3,231.14 = 3,231.14 : x
  2. Step 2: Convert to fraction form
    2,164.22/3,231.14 = 3,231.14/x
  3. Step 3: Cross multiply
    2,164.22x = 3,231.14 × 3,231.14
  4. Step 4: Simplify right side
    2,164.22x = 10,440,269.74
  5. Step 5: Solve for x
    x = 10,440,269.74/2,164.22
  6. Step 6: Final answer
    x = 4,824.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.