Home / 150,418-320,852

Finding the Third Proportional to 150,418 and 320,852

Calculator

Solution

The third proportional to 150,418 and 320,852 is: 684,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,418 : 320,852 = 320,852 : x
  2. Step 2: Convert to fraction form
    150,418/320,852 = 320,852/x
  3. Step 3: Cross multiply
    150,418x = 320,852 × 320,852
  4. Step 4: Simplify right side
    150,418x = 102,946,005,904
  5. Step 5: Solve for x
    x = 102,946,005,904/150,418
  6. Step 6: Final answer
    x = 684,399.51

Related Problems

Find third proportional to 75,209 and 160,426
Half scale
Find third proportional to 300,836 and 641,704
Double scale
Find third proportional to 150,420 and 320,856
Similar ratio
Find third proportional to 225,627 and 481,278
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.