Home / 66,568-144,212

Finding the Third Proportional to 66,568 and 144,212

Calculator

Solution

The third proportional to 66,568 and 144,212 is: 312,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,568 : 144,212 = 144,212 : x
  2. Step 2: Convert to fraction form
    66,568/144,212 = 144,212/x
  3. Step 3: Cross multiply
    66,568x = 144,212 × 144,212
  4. Step 4: Simplify right side
    66,568x = 20,797,100,944
  5. Step 5: Solve for x
    x = 20,797,100,944/66,568
  6. Step 6: Final answer
    x = 312,418.89

Related Problems

Find third proportional to 33,284 and 72,106
Half scale
Find third proportional to 133,136 and 288,424
Double scale
Find third proportional to 66,570 and 144,216
Similar ratio
Find third proportional to 99,852 and 216,318
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.