Home / 221,878-313,950

Finding the Third Proportional to 221,878 and 313,950

Calculator

Solution

The third proportional to 221,878 and 313,950 is: 444,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,878 : 313,950 = 313,950 : x
  2. Step 2: Convert to fraction form
    221,878/313,950 = 313,950/x
  3. Step 3: Cross multiply
    221,878x = 313,950 × 313,950
  4. Step 4: Simplify right side
    221,878x = 98,564,602,500
  5. Step 5: Solve for x
    x = 98,564,602,500/221,878
  6. Step 6: Final answer
    x = 444,228.82

Related Problems

Find third proportional to 110,939 and 156,975
Half scale
Find third proportional to 443,756 and 627,900
Double scale
Find third proportional to 221,880 and 313,953
Similar ratio
Find third proportional to 332,817 and 470,925
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.