Home / 121,081-263,960

Finding the Third Proportional to 121,081 and 263,960

Calculator

Solution

The third proportional to 121,081 and 263,960 is: 575,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,081 : 263,960 = 263,960 : x
  2. Step 2: Convert to fraction form
    121,081/263,960 = 263,960/x
  3. Step 3: Cross multiply
    121,081x = 263,960 × 263,960
  4. Step 4: Simplify right side
    121,081x = 69,674,881,600
  5. Step 5: Solve for x
    x = 69,674,881,600/121,081
  6. Step 6: Final answer
    x = 575,440.26

Related Problems

Find third proportional to 60,540.50 and 131,980
Half scale
Find third proportional to 242,162 and 527,920
Double scale
Find third proportional to 121,083 and 263,964
Similar ratio
Find third proportional to 181,621.50 and 395,940
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.