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Finding the Third Proportional to 8,079,691 and 12,862,601

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Solution

The third proportional to 8,079,691 and 12,862,601 is: 20,476,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079,691 : 12,862,601 = 12,862,601 : x
  2. Step 2: Convert to fraction form
    8,079,691/12,862,601 = 12,862,601/x
  3. Step 3: Cross multiply
    8,079,691x = 12,862,601 × 12,862,601
  4. Step 4: Simplify right side
    8,079,691x = 165,446,504,485,201
  5. Step 5: Solve for x
    x = 165,446,504,485,201/8,079,691
  6. Step 6: Final answer
    x = 20,476,835.62

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.