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Finding the Third Proportional to 3,218.06 and 7,051.22

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Solution

The third proportional to 3,218.06 and 7,051.22 is: 15,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.06 : 7,051.22 = 7,051.22 : x
  2. Step 2: Convert to fraction form
    3,218.06/7,051.22 = 7,051.22/x
  3. Step 3: Cross multiply
    3,218.06x = 7,051.22 × 7,051.22
  4. Step 4: Simplify right side
    3,218.06x = 49,719,685.86
  5. Step 5: Solve for x
    x = 49,719,685.86/3,218.06
  6. Step 6: Final answer
    x = 15,450.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.