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Finding the Third Proportional to 12,162.66 and 26,198.44

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Solution

The third proportional to 12,162.66 and 26,198.44 is: 56,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.66 : 26,198.44 = 26,198.44 : x
  2. Step 2: Convert to fraction form
    12,162.66/26,198.44 = 26,198.44/x
  3. Step 3: Cross multiply
    12,162.66x = 26,198.44 × 26,198.44
  4. Step 4: Simplify right side
    12,162.66x = 686,358,127.44
  5. Step 5: Solve for x
    x = 686,358,127.44/12,162.66
  6. Step 6: Final answer
    x = 56,431.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.