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Finding the Third Proportional to 2,731.22 and 6,009.19

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Solution

The third proportional to 2,731.22 and 6,009.19 is: 13,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.22 : 6,009.19 = 6,009.19 : x
  2. Step 2: Convert to fraction form
    2,731.22/6,009.19 = 6,009.19/x
  3. Step 3: Cross multiply
    2,731.22x = 6,009.19 × 6,009.19
  4. Step 4: Simplify right side
    2,731.22x = 36,110,334.41
  5. Step 5: Solve for x
    x = 36,110,334.41/2,731.22
  6. Step 6: Final answer
    x = 13,221.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.