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Finding the Third Proportional to 90,959,066 and 139,951,767

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Solution

The third proportional to 90,959,066 and 139,951,767 is: 215,333,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,066 : 139,951,767 = 139,951,767 : x
  2. Step 2: Convert to fraction form
    90,959,066/139,951,767 = 139,951,767/x
  3. Step 3: Cross multiply
    90,959,066x = 139,951,767 × 139,951,767
  4. Step 4: Simplify right side
    90,959,066x = 19,586,497,086,422,288
  5. Step 5: Solve for x
    x = 19,586,497,086,422,288/90,959,066
  6. Step 6: Final answer
    x = 215,333,093.75

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.