Home / 81,669-110,836

Finding the Third Proportional to 81,669 and 110,836

Calculator

Solution

The third proportional to 81,669 and 110,836 is: 150,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,669 : 110,836 = 110,836 : x
  2. Step 2: Convert to fraction form
    81,669/110,836 = 110,836/x
  3. Step 3: Cross multiply
    81,669x = 110,836 × 110,836
  4. Step 4: Simplify right side
    81,669x = 12,284,618,896
  5. Step 5: Solve for x
    x = 12,284,618,896/81,669
  6. Step 6: Final answer
    x = 150,419.61

Related Problems

Find third proportional to 40,834.50 and 55,418
Half scale
Find third proportional to 163,338 and 221,672
Double scale
Find third proportional to 81,671 and 110,839
Similar ratio
Find third proportional to 122,503.50 and 166,254
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.