Home / 28,321,519.50-43,733,380.78

Finding the Third Proportional to 28,321,519.50 and 43,733,380.78

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Solution

The third proportional to 28,321,519.50 and 43,733,380.78 is: 67,531,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321,519.50 : 43,733,380.78 = 43,733,380.78 : x
  2. Step 2: Convert to fraction form
    28,321,519.50/43,733,380.78 = 43,733,380.78/x
  3. Step 3: Cross multiply
    28,321,519.50x = 43,733,380.78 × 43,733,380.78
  4. Step 4: Simplify right side
    28,321,519.50x = 1,912,608,594,557,806.75
  5. Step 5: Solve for x
    x = 1,912,608,594,557,806.75/28,321,519.50
  6. Step 6: Final answer
    x = 67,531,990.81

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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.