Home / 397,882,640-856,231,474

Finding the Third Proportional to 397,882,640 and 856,231,474

Calculator

Solution

The third proportional to 397,882,640 and 856,231,474 is: 1,842,584,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,882,640 : 856,231,474 = 856,231,474 : x
  2. Step 2: Convert to fraction form
    397,882,640/856,231,474 = 856,231,474/x
  3. Step 3: Cross multiply
    397,882,640x = 856,231,474 × 856,231,474
  4. Step 4: Simplify right side
    397,882,640x = 733,132,337,068,212,736
  5. Step 5: Solve for x
    x = 733,132,337,068,212,736/397,882,640
  6. Step 6: Final answer
    x = 1,842,584,378.82

Related Problems

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.