Home / 18,100-38,360

Finding the Third Proportional to 18,100 and 38,360

Calculator

Solution

The third proportional to 18,100 and 38,360 is: 81,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100 : 38,360 = 38,360 : x
  2. Step 2: Convert to fraction form
    18,100/38,360 = 38,360/x
  3. Step 3: Cross multiply
    18,100x = 38,360 × 38,360
  4. Step 4: Simplify right side
    18,100x = 1,471,489,600
  5. Step 5: Solve for x
    x = 1,471,489,600/18,100
  6. Step 6: Final answer
    x = 81,297.77

Related Problems

Find third proportional to 9,050 and 19,180
Half scale
Find third proportional to 36,200 and 76,720
Double scale
Find third proportional to 18,102 and 38,364
Similar ratio
Find third proportional to 27,150 and 57,540
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.