Home / 18,072-19,944

Finding the Third Proportional to 18,072 and 19,944

Calculator

Solution

The third proportional to 18,072 and 19,944 is: 22,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072 : 19,944 = 19,944 : x
  2. Step 2: Convert to fraction form
    18,072/19,944 = 19,944/x
  3. Step 3: Cross multiply
    18,072x = 19,944 × 19,944
  4. Step 4: Simplify right side
    18,072x = 397,763,136
  5. Step 5: Solve for x
    x = 397,763,136/18,072
  6. Step 6: Final answer
    x = 22,009.91

Related Problems

Find third proportional to 9,036 and 9,972
Half scale
Find third proportional to 36,144 and 39,888
Double scale
Find third proportional to 18,074 and 19,946
Similar ratio
Find third proportional to 27,108 and 29,916
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.