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Finding the Third Proportional to 8,987,475,521 and 19,539,269,193

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Solution

The third proportional to 8,987,475,521 and 19,539,269,193 is: 42,479,452,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,475,521 : 19,539,269,193 = 19,539,269,193 : x
  2. Step 2: Convert to fraction form
    8,987,475,521/19,539,269,193 = 19,539,269,193/x
  3. Step 3: Cross multiply
    8,987,475,521x = 19,539,269,193 × 19,539,269,193
  4. Step 4: Simplify right side
    8,987,475,521x = 381,783,040,596,518,895,616
  5. Step 5: Solve for x
    x = 381,783,040,596,518,895,616/8,987,475,521
  6. Step 6: Final answer
    x = 42,479,452,623.20

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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.