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Finding the Third Proportional to 3,693.66 and 7,906.22

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Solution

The third proportional to 3,693.66 and 7,906.22 is: 16,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.66 : 7,906.22 = 7,906.22 : x
  2. Step 2: Convert to fraction form
    3,693.66/7,906.22 = 7,906.22/x
  3. Step 3: Cross multiply
    3,693.66x = 7,906.22 × 7,906.22
  4. Step 4: Simplify right side
    3,693.66x = 62,508,294.92
  5. Step 5: Solve for x
    x = 62,508,294.92/3,693.66
  6. Step 6: Final answer
    x = 16,923.15

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.