Home / 200,741-311,198

Finding the Third Proportional to 200,741 and 311,198

Calculator

Solution

The third proportional to 200,741 and 311,198 is: 482,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,741 : 311,198 = 311,198 : x
  2. Step 2: Convert to fraction form
    200,741/311,198 = 311,198/x
  3. Step 3: Cross multiply
    200,741x = 311,198 × 311,198
  4. Step 4: Simplify right side
    200,741x = 96,844,195,204
  5. Step 5: Solve for x
    x = 96,844,195,204/200,741
  6. Step 6: Final answer
    x = 482,433.56

Related Problems

Find third proportional to 100,370.50 and 155,599
Half scale
Find third proportional to 401,482 and 622,396
Double scale
Find third proportional to 200,743 and 311,201
Similar ratio
Find third proportional to 301,111.50 and 466,797
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.