Home / 389,588,336.81-857,093,568.19

Finding the Third Proportional to 389,588,336.81 and 857,093,568.19

Calculator

Solution

The third proportional to 389,588,336.81 and 857,093,568.19 is: 1,885,604,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,588,336.81 : 857,093,568.19 = 857,093,568.19 : x
  2. Step 2: Convert to fraction form
    389,588,336.81/857,093,568.19 = 857,093,568.19/x
  3. Step 3: Cross multiply
    389,588,336.81x = 857,093,568.19 × 857,093,568.19
  4. Step 4: Simplify right side
    389,588,336.81x = 734,609,384,628,380,672
  5. Step 5: Solve for x
    x = 734,609,384,628,380,672/389,588,336.81
  6. Step 6: Final answer
    x = 1,885,604,149.85

Related Problems

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.