Home / 5,450-11,690

Finding the Third Proportional to 5,450 and 11,690

Calculator

Solution

The third proportional to 5,450 and 11,690 is: 25,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450 : 11,690 = 11,690 : x
  2. Step 2: Convert to fraction form
    5,450/11,690 = 11,690/x
  3. Step 3: Cross multiply
    5,450x = 11,690 × 11,690
  4. Step 4: Simplify right side
    5,450x = 136,656,100
  5. Step 5: Solve for x
    x = 136,656,100/5,450
  6. Step 6: Final answer
    x = 25,074.51

Related Problems

Find third proportional to 2,725 and 5,845
Half scale
Find third proportional to 10,900 and 23,380
Double scale
Find third proportional to 5,452 and 11,694
Similar ratio
Find third proportional to 8,175 and 17,535
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.