Home / 66,900-91,736

Finding the Third Proportional to 66,900 and 91,736

Calculator

Solution

The third proportional to 66,900 and 91,736 is: 125,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,900 : 91,736 = 91,736 : x
  2. Step 2: Convert to fraction form
    66,900/91,736 = 91,736/x
  3. Step 3: Cross multiply
    66,900x = 91,736 × 91,736
  4. Step 4: Simplify right side
    66,900x = 8,415,493,696
  5. Step 5: Solve for x
    x = 8,415,493,696/66,900
  6. Step 6: Final answer
    x = 125,792.13

Related Problems

Find third proportional to 33,450 and 45,868
Half scale
Find third proportional to 133,800 and 183,472
Double scale
Find third proportional to 66,902 and 91,739
Similar ratio
Find third proportional to 100,350 and 137,604
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.