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Finding the Third Proportional to 12,383,968 and 18,211,956

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Solution

The third proportional to 12,383,968 and 18,211,956 is: 26,782,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,968 : 18,211,956 = 18,211,956 : x
  2. Step 2: Convert to fraction form
    12,383,968/18,211,956 = 18,211,956/x
  3. Step 3: Cross multiply
    12,383,968x = 18,211,956 × 18,211,956
  4. Step 4: Simplify right side
    12,383,968x = 331,675,341,345,936
  5. Step 5: Solve for x
    x = 331,675,341,345,936/12,383,968
  6. Step 6: Final answer
    x = 26,782,638.76

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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.