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Finding the Third Proportional to 7,951,452,380 and 17,299,155,544

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Solution

The third proportional to 7,951,452,380 and 17,299,155,544 is: 37,635,990,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951,452,380 : 17,299,155,544 = 17,299,155,544 : x
  2. Step 2: Convert to fraction form
    7,951,452,380/17,299,155,544 = 17,299,155,544/x
  3. Step 3: Cross multiply
    7,951,452,380x = 17,299,155,544 × 17,299,155,544
  4. Step 4: Simplify right side
    7,951,452,380x = 299,260,782,535,505,936,384
  5. Step 5: Solve for x
    x = 299,260,782,535,505,936,384/7,951,452,380
  6. Step 6: Final answer
    x = 37,635,990,034.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.