Home / 150,434-320,187

Finding the Third Proportional to 150,434 and 320,187

Calculator

Solution

The third proportional to 150,434 and 320,187 is: 681,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,434 : 320,187 = 320,187 : x
  2. Step 2: Convert to fraction form
    150,434/320,187 = 320,187/x
  3. Step 3: Cross multiply
    150,434x = 320,187 × 320,187
  4. Step 4: Simplify right side
    150,434x = 102,519,714,969
  5. Step 5: Solve for x
    x = 102,519,714,969/150,434
  6. Step 6: Final answer
    x = 681,492.98

Related Problems

Find third proportional to 75,217 and 160,093.50
Half scale
Find third proportional to 300,868 and 640,374
Double scale
Find third proportional to 150,436 and 320,191
Similar ratio
Find third proportional to 225,651 and 480,280.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.