Home / 143,430-303,264

Finding the Third Proportional to 143,430 and 303,264

Calculator

Solution

The third proportional to 143,430 and 303,264 is: 641,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,430 : 303,264 = 303,264 : x
  2. Step 2: Convert to fraction form
    143,430/303,264 = 303,264/x
  3. Step 3: Cross multiply
    143,430x = 303,264 × 303,264
  4. Step 4: Simplify right side
    143,430x = 91,969,053,696
  5. Step 5: Solve for x
    x = 91,969,053,696/143,430
  6. Step 6: Final answer
    x = 641,212.12

Related Problems

Find third proportional to 71,715 and 151,632
Half scale
Find third proportional to 286,860 and 606,528
Double scale
Find third proportional to 143,432 and 303,268
Similar ratio
Find third proportional to 215,145 and 454,896
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.