Home / 18,192-39,972

Finding the Third Proportional to 18,192 and 39,972

Calculator

Solution

The third proportional to 18,192 and 39,972 is: 87,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192 : 39,972 = 39,972 : x
  2. Step 2: Convert to fraction form
    18,192/39,972 = 39,972/x
  3. Step 3: Cross multiply
    18,192x = 39,972 × 39,972
  4. Step 4: Simplify right side
    18,192x = 1,597,760,784
  5. Step 5: Solve for x
    x = 1,597,760,784/18,192
  6. Step 6: Final answer
    x = 87,827.66

Related Problems

Find third proportional to 9,096 and 19,986
Half scale
Find third proportional to 36,384 and 79,944
Double scale
Find third proportional to 18,194 and 39,976
Similar ratio
Find third proportional to 27,288 and 59,958
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.