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Finding the Third Proportional to 149,150,720 and 351,589,721

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Solution

The third proportional to 149,150,720 and 351,589,721 is: 828,794,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,150,720 : 351,589,721 = 351,589,721 : x
  2. Step 2: Convert to fraction form
    149,150,720/351,589,721 = 351,589,721/x
  3. Step 3: Cross multiply
    149,150,720x = 351,589,721 × 351,589,721
  4. Step 4: Simplify right side
    149,150,720x = 123,615,331,912,857,840
  5. Step 5: Solve for x
    x = 123,615,331,912,857,840/149,150,720
  6. Step 6: Final answer
    x = 828,794,738.05

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.