Home / 207,926-311,418

Finding the Third Proportional to 207,926 and 311,418

Calculator

Solution

The third proportional to 207,926 and 311,418 is: 466,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,926 : 311,418 = 311,418 : x
  2. Step 2: Convert to fraction form
    207,926/311,418 = 311,418/x
  3. Step 3: Cross multiply
    207,926x = 311,418 × 311,418
  4. Step 4: Simplify right side
    207,926x = 96,981,170,724
  5. Step 5: Solve for x
    x = 96,981,170,724/207,926
  6. Step 6: Final answer
    x = 466,421.57

Related Problems

Find third proportional to 103,963 and 155,709
Half scale
Find third proportional to 415,852 and 622,836
Double scale
Find third proportional to 207,928 and 311,421
Similar ratio
Find third proportional to 311,889 and 467,127
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.