Home / 386,658-851,832

Finding the Third Proportional to 386,658 and 851,832

Calculator

Solution

The third proportional to 386,658 and 851,832 is: 1,876,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,658 : 851,832 = 851,832 : x
  2. Step 2: Convert to fraction form
    386,658/851,832 = 851,832/x
  3. Step 3: Cross multiply
    386,658x = 851,832 × 851,832
  4. Step 4: Simplify right side
    386,658x = 725,617,756,224
  5. Step 5: Solve for x
    x = 725,617,756,224/386,658
  6. Step 6: Final answer
    x = 1,876,639.71

Related Problems

Find third proportional to 193,329 and 425,916
Half scale
Find third proportional to 773,316 and 1,703,664
Double scale
Find third proportional to 386,660 and 851,836
Similar ratio
Find third proportional to 579,987 and 1,277,748
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.