Home / 86,234-128,819

Finding the Third Proportional to 86,234 and 128,819

Calculator

Solution

The third proportional to 86,234 and 128,819 is: 192,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,234 : 128,819 = 128,819 : x
  2. Step 2: Convert to fraction form
    86,234/128,819 = 128,819/x
  3. Step 3: Cross multiply
    86,234x = 128,819 × 128,819
  4. Step 4: Simplify right side
    86,234x = 16,594,334,761
  5. Step 5: Solve for x
    x = 16,594,334,761/86,234
  6. Step 6: Final answer
    x = 192,433.78

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.