Home / 144,258-313,912

Finding the Third Proportional to 144,258 and 313,912

Calculator

Solution

The third proportional to 144,258 and 313,912 is: 683,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,258 : 313,912 = 313,912 : x
  2. Step 2: Convert to fraction form
    144,258/313,912 = 313,912/x
  3. Step 3: Cross multiply
    144,258x = 313,912 × 313,912
  4. Step 4: Simplify right side
    144,258x = 98,540,743,744
  5. Step 5: Solve for x
    x = 98,540,743,744/144,258
  6. Step 6: Final answer
    x = 683,086.86

Related Problems

Find third proportional to 72,129 and 156,956
Half scale
Find third proportional to 288,516 and 627,824
Double scale
Find third proportional to 144,260 and 313,916
Similar ratio
Find third proportional to 216,387 and 470,868
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.