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Finding the Third Proportional to 168,356,055 and 361,775,112

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Solution

The third proportional to 168,356,055 and 361,775,112 is: 777,407,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,356,055 : 361,775,112 = 361,775,112 : x
  2. Step 2: Convert to fraction form
    168,356,055/361,775,112 = 361,775,112/x
  3. Step 3: Cross multiply
    168,356,055x = 361,775,112 × 361,775,112
  4. Step 4: Simplify right side
    168,356,055x = 130,881,231,662,612,544
  5. Step 5: Solve for x
    x = 130,881,231,662,612,544/168,356,055
  6. Step 6: Final answer
    x = 777,407,332.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.