Home / 320,380,921.50-481,424,403.75

Finding the Third Proportional to 320,380,921.50 and 481,424,403.75

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Solution

The third proportional to 320,380,921.50 and 481,424,403.75 is: 723,418,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,380,921.50 : 481,424,403.75 = 481,424,403.75 : x
  2. Step 2: Convert to fraction form
    320,380,921.50/481,424,403.75 = 481,424,403.75/x
  3. Step 3: Cross multiply
    320,380,921.50x = 481,424,403.75 × 481,424,403.75
  4. Step 4: Simplify right side
    320,380,921.50x = 231,769,456,526,043,008
  5. Step 5: Solve for x
    x = 231,769,456,526,043,008/320,380,921.50
  6. Step 6: Final answer
    x = 723,418,409.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.