Home / 136,902-275,839

Finding the Third Proportional to 136,902 and 275,839

Calculator

Solution

The third proportional to 136,902 and 275,839 is: 555,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,902 : 275,839 = 275,839 : x
  2. Step 2: Convert to fraction form
    136,902/275,839 = 275,839/x
  3. Step 3: Cross multiply
    136,902x = 275,839 × 275,839
  4. Step 4: Simplify right side
    136,902x = 76,087,153,921
  5. Step 5: Solve for x
    x = 76,087,153,921/136,902
  6. Step 6: Final answer
    x = 555,778.25

Related Problems

Find third proportional to 68,451 and 137,919.50
Half scale
Find third proportional to 273,804 and 551,678
Double scale
Find third proportional to 136,904 and 275,843
Similar ratio
Find third proportional to 205,353 and 413,758.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.