Home / 11,920-19,474

Finding the Third Proportional to 11,920 and 19,474

Calculator

Solution

The third proportional to 11,920 and 19,474 is: 31,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920 : 19,474 = 19,474 : x
  2. Step 2: Convert to fraction form
    11,920/19,474 = 19,474/x
  3. Step 3: Cross multiply
    11,920x = 19,474 × 19,474
  4. Step 4: Simplify right side
    11,920x = 379,236,676
  5. Step 5: Solve for x
    x = 379,236,676/11,920
  6. Step 6: Final answer
    x = 31,815.16

Related Problems

Find third proportional to 5,960 and 9,737
Half scale
Find third proportional to 23,840 and 38,948
Double scale
Find third proportional to 11,922 and 19,477
Similar ratio
Find third proportional to 17,880 and 29,211
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.