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Finding the Third Proportional to 181,504,090 and 398,274,356

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Solution

The third proportional to 181,504,090 and 398,274,356 is: 873,933,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,504,090 : 398,274,356 = 398,274,356 : x
  2. Step 2: Convert to fraction form
    181,504,090/398,274,356 = 398,274,356/x
  3. Step 3: Cross multiply
    181,504,090x = 398,274,356 × 398,274,356
  4. Step 4: Simplify right side
    181,504,090x = 158,622,462,647,214,720
  5. Step 5: Solve for x
    x = 158,622,462,647,214,720/181,504,090
  6. Step 6: Final answer
    x = 873,933,268.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.