Home / 135,181-278,930

Finding the Third Proportional to 135,181 and 278,930

Calculator

Solution

The third proportional to 135,181 and 278,930 is: 575,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,181 : 278,930 = 278,930 : x
  2. Step 2: Convert to fraction form
    135,181/278,930 = 278,930/x
  3. Step 3: Cross multiply
    135,181x = 278,930 × 278,930
  4. Step 4: Simplify right side
    135,181x = 77,801,944,900
  5. Step 5: Solve for x
    x = 77,801,944,900/135,181
  6. Step 6: Final answer
    x = 575,539.05

Related Problems

Find third proportional to 67,590.50 and 139,465
Half scale
Find third proportional to 270,362 and 557,860
Double scale
Find third proportional to 135,183 and 278,934
Similar ratio
Find third proportional to 202,771.50 and 418,395
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.