Home / 20,917,361.25-45,538,690.50

Finding the Third Proportional to 20,917,361.25 and 45,538,690.50

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Solution

The third proportional to 20,917,361.25 and 45,538,690.50 is: 99,141,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,917,361.25 : 45,538,690.50 = 45,538,690.50 : x
  2. Step 2: Convert to fraction form
    20,917,361.25/45,538,690.50 = 45,538,690.50/x
  3. Step 3: Cross multiply
    20,917,361.25x = 45,538,690.50 × 45,538,690.50
  4. Step 4: Simplify right side
    20,917,361.25x = 2,073,772,332,454,790.25
  5. Step 5: Solve for x
    x = 2,073,772,332,454,790.25/20,917,361.25
  6. Step 6: Final answer
    x = 99,141,201.78

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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.