Home / 150,126-321,228

Finding the Third Proportional to 150,126 and 321,228

Calculator

Solution

The third proportional to 150,126 and 321,228 is: 687,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,126 : 321,228 = 321,228 : x
  2. Step 2: Convert to fraction form
    150,126/321,228 = 321,228/x
  3. Step 3: Cross multiply
    150,126x = 321,228 × 321,228
  4. Step 4: Simplify right side
    150,126x = 103,187,427,984
  5. Step 5: Solve for x
    x = 103,187,427,984/150,126
  6. Step 6: Final answer
    x = 687,338.82

Related Problems

Find third proportional to 75,063 and 160,614
Half scale
Find third proportional to 300,252 and 642,456
Double scale
Find third proportional to 150,128 and 321,232
Similar ratio
Find third proportional to 225,189 and 481,842
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.