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Finding the Third Proportional to 11,992.22 and 18,770.91

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Solution

The third proportional to 11,992.22 and 18,770.91 is: 29,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.22 : 18,770.91 = 18,770.91 : x
  2. Step 2: Convert to fraction form
    11,992.22/18,770.91 = 18,770.91/x
  3. Step 3: Cross multiply
    11,992.22x = 18,770.91 × 18,770.91
  4. Step 4: Simplify right side
    11,992.22x = 352,346,921.45
  5. Step 5: Solve for x
    x = 352,346,921.45/11,992.22
  6. Step 6: Final answer
    x = 29,381.30

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.