Home / 11,972-18,790

Finding the Third Proportional to 11,972 and 18,790

Calculator

Solution

The third proportional to 11,972 and 18,790 is: 29,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972 : 18,790 = 18,790 : x
  2. Step 2: Convert to fraction form
    11,972/18,790 = 18,790/x
  3. Step 3: Cross multiply
    11,972x = 18,790 × 18,790
  4. Step 4: Simplify right side
    11,972x = 353,064,100
  5. Step 5: Solve for x
    x = 353,064,100/11,972
  6. Step 6: Final answer
    x = 29,490.82

Related Problems

Find third proportional to 5,986 and 9,395
Half scale
Find third proportional to 23,944 and 37,580
Double scale
Find third proportional to 11,974 and 18,793
Similar ratio
Find third proportional to 17,958 and 28,185
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.