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Finding the Third Proportional to 3,188.11 and 6,762.23

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Solution

The third proportional to 3,188.11 and 6,762.23 is: 14,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.11 : 6,762.23 = 6,762.23 : x
  2. Step 2: Convert to fraction form
    3,188.11/6,762.23 = 6,762.23/x
  3. Step 3: Cross multiply
    3,188.11x = 6,762.23 × 6,762.23
  4. Step 4: Simplify right side
    3,188.11x = 45,727,813.74
  5. Step 5: Solve for x
    x = 45,727,813.74/3,188.11
  6. Step 6: Final answer
    x = 14,343.24

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.