Home / 203,477-311,264

Finding the Third Proportional to 203,477 and 311,264

Calculator

Solution

The third proportional to 203,477 and 311,264 is: 476,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,477 : 311,264 = 311,264 : x
  2. Step 2: Convert to fraction form
    203,477/311,264 = 311,264/x
  3. Step 3: Cross multiply
    203,477x = 311,264 × 311,264
  4. Step 4: Simplify right side
    203,477x = 96,885,277,696
  5. Step 5: Solve for x
    x = 96,885,277,696/203,477
  6. Step 6: Final answer
    x = 476,148.55

Related Problems

Find third proportional to 101,738.50 and 155,632
Half scale
Find third proportional to 406,954 and 622,528
Double scale
Find third proportional to 203,479 and 311,267
Similar ratio
Find third proportional to 305,215.50 and 466,896
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.