Home / 144,268-313,940

Finding the Third Proportional to 144,268 and 313,940

Calculator

Solution

The third proportional to 144,268 and 313,940 is: 683,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,268 : 313,940 = 313,940 : x
  2. Step 2: Convert to fraction form
    144,268/313,940 = 313,940/x
  3. Step 3: Cross multiply
    144,268x = 313,940 × 313,940
  4. Step 4: Simplify right side
    144,268x = 98,558,323,600
  5. Step 5: Solve for x
    x = 98,558,323,600/144,268
  6. Step 6: Final answer
    x = 683,161.36

Related Problems

Find third proportional to 72,134 and 156,970
Half scale
Find third proportional to 288,536 and 627,880
Double scale
Find third proportional to 144,270 and 313,944
Similar ratio
Find third proportional to 216,402 and 470,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.