Home / 267,948-405,378

Finding the Third Proportional to 267,948 and 405,378

Calculator

Solution

The third proportional to 267,948 and 405,378 is: 613,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,948 : 405,378 = 405,378 : x
  2. Step 2: Convert to fraction form
    267,948/405,378 = 405,378/x
  3. Step 3: Cross multiply
    267,948x = 405,378 × 405,378
  4. Step 4: Simplify right side
    267,948x = 164,331,322,884
  5. Step 5: Solve for x
    x = 164,331,322,884/267,948
  6. Step 6: Final answer
    x = 613,295.58

Related Problems

Find third proportional to 133,974 and 202,689
Half scale
Find third proportional to 535,896 and 810,756
Double scale
Find third proportional to 267,950 and 405,381
Similar ratio
Find third proportional to 401,922 and 608,067
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.