Home / 88,900-129,836

Finding the Third Proportional to 88,900 and 129,836

Calculator

Solution

The third proportional to 88,900 and 129,836 is: 189,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,900 : 129,836 = 129,836 : x
  2. Step 2: Convert to fraction form
    88,900/129,836 = 129,836/x
  3. Step 3: Cross multiply
    88,900x = 129,836 × 129,836
  4. Step 4: Simplify right side
    88,900x = 16,857,386,896
  5. Step 5: Solve for x
    x = 16,857,386,896/88,900
  6. Step 6: Final answer
    x = 189,621.90

Related Problems

Find third proportional to 44,450 and 64,918
Half scale
Find third proportional to 177,800 and 259,672
Double scale
Find third proportional to 88,902 and 129,839
Similar ratio
Find third proportional to 133,350 and 194,754
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.