Home / 178,979,039.65-385,311,593.09

Finding the Third Proportional to 178,979,039.65 and 385,311,593.09

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Solution

The third proportional to 178,979,039.65 and 385,311,593.09 is: 829,510,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,979,039.65 : 385,311,593.09 = 385,311,593.09 : x
  2. Step 2: Convert to fraction form
    178,979,039.65/385,311,593.09 = 385,311,593.09/x
  3. Step 3: Cross multiply
    178,979,039.65x = 385,311,593.09 × 385,311,593.09
  4. Step 4: Simplify right side
    178,979,039.65x = 148,465,023,770,940,832
  5. Step 5: Solve for x
    x = 148,465,023,770,940,832/178,979,039.65
  6. Step 6: Final answer
    x = 829,510,673.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.