Home / 133,634-206,211

Finding the Third Proportional to 133,634 and 206,211

Calculator

Solution

The third proportional to 133,634 and 206,211 is: 318,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,634 : 206,211 = 206,211 : x
  2. Step 2: Convert to fraction form
    133,634/206,211 = 206,211/x
  3. Step 3: Cross multiply
    133,634x = 206,211 × 206,211
  4. Step 4: Simplify right side
    133,634x = 42,522,976,521
  5. Step 5: Solve for x
    x = 42,522,976,521/133,634
  6. Step 6: Final answer
    x = 318,204.77

Related Problems

Find third proportional to 66,817 and 103,105.50
Half scale
Find third proportional to 267,268 and 412,422
Double scale
Find third proportional to 133,636 and 206,214
Similar ratio
Find third proportional to 200,451 and 309,316.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.