Home / 221,712-486,504

Finding the Third Proportional to 221,712 and 486,504

Calculator

Solution

The third proportional to 221,712 and 486,504 is: 1,067,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,712 : 486,504 = 486,504 : x
  2. Step 2: Convert to fraction form
    221,712/486,504 = 486,504/x
  3. Step 3: Cross multiply
    221,712x = 486,504 × 486,504
  4. Step 4: Simplify right side
    221,712x = 236,686,142,016
  5. Step 5: Solve for x
    x = 236,686,142,016/221,712
  6. Step 6: Final answer
    x = 1,067,538.71

Related Problems

Find third proportional to 110,856 and 243,252
Half scale
Find third proportional to 443,424 and 973,008
Double scale
Find third proportional to 221,714 and 486,508
Similar ratio
Find third proportional to 332,568 and 729,756
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.