Home / 396,074-851,857

Finding the Third Proportional to 396,074 and 851,857

Calculator

Solution

The third proportional to 396,074 and 851,857 is: 1,832,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,074 : 851,857 = 851,857 : x
  2. Step 2: Convert to fraction form
    396,074/851,857 = 851,857/x
  3. Step 3: Cross multiply
    396,074x = 851,857 × 851,857
  4. Step 4: Simplify right side
    396,074x = 725,660,348,449
  5. Step 5: Solve for x
    x = 725,660,348,449/396,074
  6. Step 6: Final answer
    x = 1,832,133.26

Related Problems

Find third proportional to 198,037 and 425,928.50
Half scale
Find third proportional to 792,148 and 1,703,714
Double scale
Find third proportional to 396,076 and 851,861
Similar ratio
Find third proportional to 594,111 and 1,277,785.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.