Home / 18,636-27,972

Finding the Third Proportional to 18,636 and 27,972

Calculator

Solution

The third proportional to 18,636 and 27,972 is: 41,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636 : 27,972 = 27,972 : x
  2. Step 2: Convert to fraction form
    18,636/27,972 = 27,972/x
  3. Step 3: Cross multiply
    18,636x = 27,972 × 27,972
  4. Step 4: Simplify right side
    18,636x = 782,432,784
  5. Step 5: Solve for x
    x = 782,432,784/18,636
  6. Step 6: Final answer
    x = 41,985.02

Related Problems

Find third proportional to 9,318 and 13,986
Half scale
Find third proportional to 37,272 and 55,944
Double scale
Find third proportional to 18,638 and 27,975
Similar ratio
Find third proportional to 27,954 and 41,958
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.