Home / 8,422-17,396

Finding the Third Proportional to 8,422 and 17,396

Calculator

Solution

The third proportional to 8,422 and 17,396 is: 35,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422 : 17,396 = 17,396 : x
  2. Step 2: Convert to fraction form
    8,422/17,396 = 17,396/x
  3. Step 3: Cross multiply
    8,422x = 17,396 × 17,396
  4. Step 4: Simplify right side
    8,422x = 302,620,816
  5. Step 5: Solve for x
    x = 302,620,816/8,422
  6. Step 6: Final answer
    x = 35,932.18

Related Problems

Find third proportional to 4,211 and 8,698
Half scale
Find third proportional to 16,844 and 34,792
Double scale
Find third proportional to 8,424 and 17,400
Similar ratio
Find third proportional to 12,633 and 26,094
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.