Home / 6,438-13,626

Finding the Third Proportional to 6,438 and 13,626

Calculator

Solution

The third proportional to 6,438 and 13,626 is: 28,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438 : 13,626 = 13,626 : x
  2. Step 2: Convert to fraction form
    6,438/13,626 = 13,626/x
  3. Step 3: Cross multiply
    6,438x = 13,626 × 13,626
  4. Step 4: Simplify right side
    6,438x = 185,667,876
  5. Step 5: Solve for x
    x = 185,667,876/6,438
  6. Step 6: Final answer
    x = 28,839.37

Related Problems

Find third proportional to 3,219 and 6,813
Half scale
Find third proportional to 12,876 and 27,252
Double scale
Find third proportional to 6,440 and 13,630
Similar ratio
Find third proportional to 9,657 and 20,439
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.