Home / 398,948-874,198

Finding the Third Proportional to 398,948 and 874,198

Calculator

Solution

The third proportional to 398,948 and 874,198 is: 1,915,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,948 : 874,198 = 874,198 : x
  2. Step 2: Convert to fraction form
    398,948/874,198 = 874,198/x
  3. Step 3: Cross multiply
    398,948x = 874,198 × 874,198
  4. Step 4: Simplify right side
    398,948x = 764,222,143,204
  5. Step 5: Solve for x
    x = 764,222,143,204/398,948
  6. Step 6: Final answer
    x = 1,915,593.37

Related Problems

Find third proportional to 199,474 and 437,099
Half scale
Find third proportional to 797,896 and 1,748,396
Double scale
Find third proportional to 398,950 and 874,202
Similar ratio
Find third proportional to 598,422 and 1,311,297
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.