Home / 196,880-421,734

Finding the Third Proportional to 196,880 and 421,734

Calculator

Solution

The third proportional to 196,880 and 421,734 is: 903,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,880 : 421,734 = 421,734 : x
  2. Step 2: Convert to fraction form
    196,880/421,734 = 421,734/x
  3. Step 3: Cross multiply
    196,880x = 421,734 × 421,734
  4. Step 4: Simplify right side
    196,880x = 177,859,566,756
  5. Step 5: Solve for x
    x = 177,859,566,756/196,880
  6. Step 6: Final answer
    x = 903,390.73

Related Problems

Find third proportional to 98,440 and 210,867
Half scale
Find third proportional to 393,760 and 843,468
Double scale
Find third proportional to 196,882 and 421,738
Similar ratio
Find third proportional to 295,320 and 632,601
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.