Home / 17,202-18,822

Finding the Third Proportional to 17,202 and 18,822

Calculator

Solution

The third proportional to 17,202 and 18,822 is: 20,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,202 : 18,822 = 18,822 : x
  2. Step 2: Convert to fraction form
    17,202/18,822 = 18,822/x
  3. Step 3: Cross multiply
    17,202x = 18,822 × 18,822
  4. Step 4: Simplify right side
    17,202x = 354,267,684
  5. Step 5: Solve for x
    x = 354,267,684/17,202
  6. Step 6: Final answer
    x = 20,594.56

Related Problems

Find third proportional to 8,601 and 9,411
Half scale
Find third proportional to 34,404 and 37,644
Double scale
Find third proportional to 17,204 and 18,824
Similar ratio
Find third proportional to 25,803 and 28,233
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.