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Finding the Third Proportional to 3,110.81 and 6,836.72

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Solution

The third proportional to 3,110.81 and 6,836.72 is: 15,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.81 : 6,836.72 = 6,836.72 : x
  2. Step 2: Convert to fraction form
    3,110.81/6,836.72 = 6,836.72/x
  3. Step 3: Cross multiply
    3,110.81x = 6,836.72 × 6,836.72
  4. Step 4: Simplify right side
    3,110.81x = 46,740,723.27
  5. Step 5: Solve for x
    x = 46,740,723.27/3,110.81
  6. Step 6: Final answer
    x = 15,025.25

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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.