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Finding the Third Proportional to 156,729,172 and 365,988,992

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Solution

The third proportional to 156,729,172 and 365,988,992 is: 854,645,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729,172 : 365,988,992 = 365,988,992 : x
  2. Step 2: Convert to fraction form
    156,729,172/365,988,992 = 365,988,992/x
  3. Step 3: Cross multiply
    156,729,172x = 365,988,992 × 365,988,992
  4. Step 4: Simplify right side
    156,729,172x = 133,947,942,265,176,064
  5. Step 5: Solve for x
    x = 133,947,942,265,176,064/156,729,172
  6. Step 6: Final answer
    x = 854,645,887.27

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.