Home / 86,669-188,134

Finding the Third Proportional to 86,669 and 188,134

Calculator

Solution

The third proportional to 86,669 and 188,134 is: 408,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,669 : 188,134 = 188,134 : x
  2. Step 2: Convert to fraction form
    86,669/188,134 = 188,134/x
  3. Step 3: Cross multiply
    86,669x = 188,134 × 188,134
  4. Step 4: Simplify right side
    86,669x = 35,394,401,956
  5. Step 5: Solve for x
    x = 35,394,401,956/86,669
  6. Step 6: Final answer
    x = 408,385.95

Related Problems

Find third proportional to 43,334.50 and 94,067
Half scale
Find third proportional to 173,338 and 376,268
Double scale
Find third proportional to 86,671 and 188,138
Similar ratio
Find third proportional to 130,003.50 and 282,201
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.