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Finding the Third Proportional to 30,885,651 and 67,150,350

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Solution

The third proportional to 30,885,651 and 67,150,350 is: 145,995,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,651 : 67,150,350 = 67,150,350 : x
  2. Step 2: Convert to fraction form
    30,885,651/67,150,350 = 67,150,350/x
  3. Step 3: Cross multiply
    30,885,651x = 67,150,350 × 67,150,350
  4. Step 4: Simplify right side
    30,885,651x = 4,509,169,505,122,500
  5. Step 5: Solve for x
    x = 4,509,169,505,122,500/30,885,651
  6. Step 6: Final answer
    x = 145,995,611.53

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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.