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Finding the Third Proportional to 149,444,500 and 328,309,976

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Solution

The third proportional to 149,444,500 and 328,309,976 is: 721,253,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,444,500 : 328,309,976 = 328,309,976 : x
  2. Step 2: Convert to fraction form
    149,444,500/328,309,976 = 328,309,976/x
  3. Step 3: Cross multiply
    149,444,500x = 328,309,976 × 328,309,976
  4. Step 4: Simplify right side
    149,444,500x = 107,787,440,341,120,576
  5. Step 5: Solve for x
    x = 107,787,440,341,120,576/149,444,500
  6. Step 6: Final answer
    x = 721,253,979.51

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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.