Home / 14,220-20,822

Finding the Third Proportional to 14,220 and 20,822

Calculator

Solution

The third proportional to 14,220 and 20,822 is: 30,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220 : 20,822 = 20,822 : x
  2. Step 2: Convert to fraction form
    14,220/20,822 = 20,822/x
  3. Step 3: Cross multiply
    14,220x = 20,822 × 20,822
  4. Step 4: Simplify right side
    14,220x = 433,555,684
  5. Step 5: Solve for x
    x = 433,555,684/14,220
  6. Step 6: Final answer
    x = 30,489.15

Related Problems

Find third proportional to 7,110 and 10,411
Half scale
Find third proportional to 28,440 and 41,644
Double scale
Find third proportional to 14,222 and 20,825
Similar ratio
Find third proportional to 21,330 and 31,233
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.