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Finding the Third Proportional to 3,260,453,298 and 7,161,432,011

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Solution

The third proportional to 3,260,453,298 and 7,161,432,011 is: 15,729,747,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,453,298 : 7,161,432,011 = 7,161,432,011 : x
  2. Step 2: Convert to fraction form
    3,260,453,298/7,161,432,011 = 7,161,432,011/x
  3. Step 3: Cross multiply
    3,260,453,298x = 7,161,432,011 × 7,161,432,011
  4. Step 4: Simplify right side
    3,260,453,298x = 51,286,108,448,175,505,408
  5. Step 5: Solve for x
    x = 51,286,108,448,175,505,408/3,260,453,298
  6. Step 6: Final answer
    x = 15,729,747,909.48

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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.