Home / 200,876-275,449

Finding the Third Proportional to 200,876 and 275,449

Calculator

Solution

The third proportional to 200,876 and 275,449 is: 377,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,876 : 275,449 = 275,449 : x
  2. Step 2: Convert to fraction form
    200,876/275,449 = 275,449/x
  3. Step 3: Cross multiply
    200,876x = 275,449 × 275,449
  4. Step 4: Simplify right side
    200,876x = 75,872,151,601
  5. Step 5: Solve for x
    x = 75,872,151,601/200,876
  6. Step 6: Final answer
    x = 377,706.40

Related Problems

Find third proportional to 100,438 and 137,724.50
Half scale
Find third proportional to 401,752 and 550,898
Double scale
Find third proportional to 200,878 and 275,452
Similar ratio
Find third proportional to 301,314 and 413,173.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.