Home / 27,612-43,920

Finding the Third Proportional to 27,612 and 43,920

Calculator

Solution

The third proportional to 27,612 and 43,920 is: 69,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612 : 43,920 = 43,920 : x
  2. Step 2: Convert to fraction form
    27,612/43,920 = 43,920/x
  3. Step 3: Cross multiply
    27,612x = 43,920 × 43,920
  4. Step 4: Simplify right side
    27,612x = 1,928,966,400
  5. Step 5: Solve for x
    x = 1,928,966,400/27,612
  6. Step 6: Final answer
    x = 69,859.71

Related Problems

Find third proportional to 13,806 and 21,960
Half scale
Find third proportional to 55,224 and 87,840
Double scale
Find third proportional to 27,614 and 43,923
Similar ratio
Find third proportional to 41,418 and 65,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.