Home / 90,809,032.50-140,998,380.75

Finding the Third Proportional to 90,809,032.50 and 140,998,380.75

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Solution

The third proportional to 90,809,032.50 and 140,998,380.75 is: 218,926,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,809,032.50 : 140,998,380.75 = 140,998,380.75 : x
  2. Step 2: Convert to fraction form
    90,809,032.50/140,998,380.75 = 140,998,380.75/x
  3. Step 3: Cross multiply
    90,809,032.50x = 140,998,380.75 × 140,998,380.75
  4. Step 4: Simplify right side
    90,809,032.50x = 19,880,543,374,121,972
  5. Step 5: Solve for x
    x = 19,880,543,374,121,972/90,809,032.50
  6. Step 6: Final answer
    x = 218,926,937.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.