Home / 202,158-313,898

Finding the Third Proportional to 202,158 and 313,898

Calculator

Solution

The third proportional to 202,158 and 313,898 is: 487,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,158 : 313,898 = 313,898 : x
  2. Step 2: Convert to fraction form
    202,158/313,898 = 313,898/x
  3. Step 3: Cross multiply
    202,158x = 313,898 × 313,898
  4. Step 4: Simplify right side
    202,158x = 98,531,954,404
  5. Step 5: Solve for x
    x = 98,531,954,404/202,158
  6. Step 6: Final answer
    x = 487,400.72

Related Problems

Find third proportional to 101,079 and 156,949
Half scale
Find third proportional to 404,316 and 627,796
Double scale
Find third proportional to 202,160 and 313,901
Similar ratio
Find third proportional to 303,237 and 470,847
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.