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Finding the Third Proportional to 12,367,512 and 18,181,422

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Solution

The third proportional to 12,367,512 and 18,181,422 is: 26,728,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,512 : 18,181,422 = 18,181,422 : x
  2. Step 2: Convert to fraction form
    12,367,512/18,181,422 = 18,181,422/x
  3. Step 3: Cross multiply
    12,367,512x = 18,181,422 × 18,181,422
  4. Step 4: Simplify right side
    12,367,512x = 330,564,105,942,084
  5. Step 5: Solve for x
    x = 330,564,105,942,084/12,367,512
  6. Step 6: Final answer
    x = 26,728,424.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.