Home / 143,268-313,752

Finding the Third Proportional to 143,268 and 313,752

Calculator

Solution

The third proportional to 143,268 and 313,752 is: 687,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,268 : 313,752 = 313,752 : x
  2. Step 2: Convert to fraction form
    143,268/313,752 = 313,752/x
  3. Step 3: Cross multiply
    143,268x = 313,752 × 313,752
  4. Step 4: Simplify right side
    143,268x = 98,440,317,504
  5. Step 5: Solve for x
    x = 98,440,317,504/143,268
  6. Step 6: Final answer
    x = 687,106.11

Related Problems

Find third proportional to 71,634 and 156,876
Half scale
Find third proportional to 286,536 and 627,504
Double scale
Find third proportional to 143,270 and 313,756
Similar ratio
Find third proportional to 214,902 and 470,628
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.