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Finding the Third Proportional to 8,987,475,519 and 19,539,269,189

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Solution

The third proportional to 8,987,475,519 and 19,539,269,189 is: 42,479,452,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,475,519 : 19,539,269,189 = 19,539,269,189 : x
  2. Step 2: Convert to fraction form
    8,987,475,519/19,539,269,189 = 19,539,269,189/x
  3. Step 3: Cross multiply
    8,987,475,519x = 19,539,269,189 × 19,539,269,189
  4. Step 4: Simplify right side
    8,987,475,519x = 381,783,040,440,204,722,176
  5. Step 5: Solve for x
    x = 381,783,040,440,204,722,176/8,987,475,519
  6. Step 6: Final answer
    x = 42,479,452,615.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.