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Finding the Third Proportional to 34,603,890 and 81,685,745

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Solution

The third proportional to 34,603,890 and 81,685,745 is: 192,826,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,603,890 : 81,685,745 = 81,685,745 : x
  2. Step 2: Convert to fraction form
    34,603,890/81,685,745 = 81,685,745/x
  3. Step 3: Cross multiply
    34,603,890x = 81,685,745 × 81,685,745
  4. Step 4: Simplify right side
    34,603,890x = 6,672,560,936,205,025
  5. Step 5: Solve for x
    x = 6,672,560,936,205,025/34,603,890
  6. Step 6: Final answer
    x = 192,826,902.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.