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Finding the Third Proportional to 176,067,879 and 386,147,982

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Solution

The third proportional to 176,067,879 and 386,147,982 is: 846,890,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,067,879 : 386,147,982 = 386,147,982 : x
  2. Step 2: Convert to fraction form
    176,067,879/386,147,982 = 386,147,982/x
  3. Step 3: Cross multiply
    176,067,879x = 386,147,982 × 386,147,982
  4. Step 4: Simplify right side
    176,067,879x = 149,110,264,002,672,320
  5. Step 5: Solve for x
    x = 149,110,264,002,672,320/176,067,879
  6. Step 6: Final answer
    x = 846,890,783.54

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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.