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Finding the Third Proportional to 17,977,676 and 39,620,086

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Solution

The third proportional to 17,977,676 and 39,620,086 is: 87,316,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977,676 : 39,620,086 = 39,620,086 : x
  2. Step 2: Convert to fraction form
    17,977,676/39,620,086 = 39,620,086/x
  3. Step 3: Cross multiply
    17,977,676x = 39,620,086 × 39,620,086
  4. Step 4: Simplify right side
    17,977,676x = 1,569,751,214,647,396
  5. Step 5: Solve for x
    x = 1,569,751,214,647,396/17,977,676
  6. Step 6: Final answer
    x = 87,316,692.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.