Home / 71,512-141,224

Finding the Third Proportional to 71,512 and 141,224

Calculator

Solution

The third proportional to 71,512 and 141,224 is: 278,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,512 : 141,224 = 141,224 : x
  2. Step 2: Convert to fraction form
    71,512/141,224 = 141,224/x
  3. Step 3: Cross multiply
    71,512x = 141,224 × 141,224
  4. Step 4: Simplify right side
    71,512x = 19,944,218,176
  5. Step 5: Solve for x
    x = 19,944,218,176/71,512
  6. Step 6: Final answer
    x = 278,893.31

Related Problems

Find third proportional to 35,756 and 70,612
Half scale
Find third proportional to 143,024 and 282,448
Double scale
Find third proportional to 71,514 and 141,228
Similar ratio
Find third proportional to 107,268 and 211,836
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.