Home / 36,920-81,224

Finding the Third Proportional to 36,920 and 81,224

Calculator

Solution

The third proportional to 36,920 and 81,224 is: 178,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920 : 81,224 = 81,224 : x
  2. Step 2: Convert to fraction form
    36,920/81,224 = 81,224/x
  3. Step 3: Cross multiply
    36,920x = 81,224 × 81,224
  4. Step 4: Simplify right side
    36,920x = 6,597,338,176
  5. Step 5: Solve for x
    x = 6,597,338,176/36,920
  6. Step 6: Final answer
    x = 178,692.80

Related Problems

Find third proportional to 18,460 and 40,612
Half scale
Find third proportional to 73,840 and 162,448
Double scale
Find third proportional to 36,922 and 81,228
Similar ratio
Find third proportional to 55,380 and 121,836
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.