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Finding the Third Proportional to 79,340,825 and 122,601,806

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Solution

The third proportional to 79,340,825 and 122,601,806 is: 189,451,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,825 : 122,601,806 = 122,601,806 : x
  2. Step 2: Convert to fraction form
    79,340,825/122,601,806 = 122,601,806/x
  3. Step 3: Cross multiply
    79,340,825x = 122,601,806 × 122,601,806
  4. Step 4: Simplify right side
    79,340,825x = 15,031,202,834,461,636
  5. Step 5: Solve for x
    x = 15,031,202,834,461,636/79,340,825
  6. Step 6: Final answer
    x = 189,451,052.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.