Home / 202,136-313,860

Finding the Third Proportional to 202,136 and 313,860

Calculator

Solution

The third proportional to 202,136 and 313,860 is: 487,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136 : 313,860 = 313,860 : x
  2. Step 2: Convert to fraction form
    202,136/313,860 = 313,860/x
  3. Step 3: Cross multiply
    202,136x = 313,860 × 313,860
  4. Step 4: Simplify right side
    202,136x = 98,508,099,600
  5. Step 5: Solve for x
    x = 98,508,099,600/202,136
  6. Step 6: Final answer
    x = 487,335.75

Related Problems

Find third proportional to 101,068 and 156,930
Half scale
Find third proportional to 404,272 and 627,720
Double scale
Find third proportional to 202,138 and 313,863
Similar ratio
Find third proportional to 303,204 and 470,790
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.