Home / 189,378,686-407,520,796

Finding the Third Proportional to 189,378,686 and 407,520,796

Calculator

Solution

The third proportional to 189,378,686 and 407,520,796 is: 876,937,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,378,686 : 407,520,796 = 407,520,796 : x
  2. Step 2: Convert to fraction form
    189,378,686/407,520,796 = 407,520,796/x
  3. Step 3: Cross multiply
    189,378,686x = 407,520,796 × 407,520,796
  4. Step 4: Simplify right side
    189,378,686x = 166,073,199,172,473,600
  5. Step 5: Solve for x
    x = 166,073,199,172,473,600/189,378,686
  6. Step 6: Final answer
    x = 876,937,118.32

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.