Home / 80,631,618.75-124,511,969.25

Finding the Third Proportional to 80,631,618.75 and 124,511,969.25

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Solution

The third proportional to 80,631,618.75 and 124,511,969.25 is: 192,272,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,631,618.75 : 124,511,969.25 = 124,511,969.25 : x
  2. Step 2: Convert to fraction form
    80,631,618.75/124,511,969.25 = 124,511,969.25/x
  3. Step 3: Cross multiply
    80,631,618.75x = 124,511,969.25 × 124,511,969.25
  4. Step 4: Simplify right side
    80,631,618.75x = 15,503,230,486,512,946
  5. Step 5: Solve for x
    x = 15,503,230,486,512,946/80,631,618.75
  6. Step 6: Final answer
    x = 192,272,345.85

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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.