Home / 90,568,506.38-198,929,442.38

Finding the Third Proportional to 90,568,506.38 and 198,929,442.38

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Solution

The third proportional to 90,568,506.38 and 198,929,442.38 is: 436,939,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,568,506.38 : 198,929,442.38 = 198,929,442.38 : x
  2. Step 2: Convert to fraction form
    90,568,506.38/198,929,442.38 = 198,929,442.38/x
  3. Step 3: Cross multiply
    90,568,506.38x = 198,929,442.38 × 198,929,442.38
  4. Step 4: Simplify right side
    90,568,506.38x = 39,572,923,043,628,448
  5. Step 5: Solve for x
    x = 39,572,923,043,628,448/90,568,506.38
  6. Step 6: Final answer
    x = 436,939,115.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.