Home / 425,976-646,742

Finding the Third Proportional to 425,976 and 646,742

Calculator

Solution

The third proportional to 425,976 and 646,742 is: 981,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,976 : 646,742 = 646,742 : x
  2. Step 2: Convert to fraction form
    425,976/646,742 = 646,742/x
  3. Step 3: Cross multiply
    425,976x = 646,742 × 646,742
  4. Step 4: Simplify right side
    425,976x = 418,275,214,564
  5. Step 5: Solve for x
    x = 418,275,214,564/425,976
  6. Step 6: Final answer
    x = 981,922.02

Related Problems

Find third proportional to 212,988 and 323,371
Half scale
Find third proportional to 851,952 and 1,293,484
Double scale
Find third proportional to 425,978 and 646,745
Similar ratio
Find third proportional to 638,964 and 970,113
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.