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Finding the Third Proportional to 149,444,493 and 328,309,968

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Solution

The third proportional to 149,444,493 and 328,309,968 is: 721,253,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,444,493 : 328,309,968 = 328,309,968 : x
  2. Step 2: Convert to fraction form
    149,444,493/328,309,968 = 328,309,968/x
  3. Step 3: Cross multiply
    149,444,493x = 328,309,968 × 328,309,968
  4. Step 4: Simplify right side
    149,444,493x = 107,787,435,088,161,024
  5. Step 5: Solve for x
    x = 107,787,435,088,161,024/149,444,493
  6. Step 6: Final answer
    x = 721,253,978.15

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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.