Home / 6,900-15,378

Finding the Third Proportional to 6,900 and 15,378

Calculator

Solution

The third proportional to 6,900 and 15,378 is: 34,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900 : 15,378 = 15,378 : x
  2. Step 2: Convert to fraction form
    6,900/15,378 = 15,378/x
  3. Step 3: Cross multiply
    6,900x = 15,378 × 15,378
  4. Step 4: Simplify right side
    6,900x = 236,482,884
  5. Step 5: Solve for x
    x = 236,482,884/6,900
  6. Step 6: Final answer
    x = 34,272.88

Related Problems

Find third proportional to 3,450 and 7,689
Half scale
Find third proportional to 13,800 and 30,756
Double scale
Find third proportional to 6,902 and 15,382
Similar ratio
Find third proportional to 10,350 and 23,067
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.