Home / 66,910-91,750

Finding the Third Proportional to 66,910 and 91,750

Calculator

Solution

The third proportional to 66,910 and 91,750 is: 125,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910 : 91,750 = 91,750 : x
  2. Step 2: Convert to fraction form
    66,910/91,750 = 91,750/x
  3. Step 3: Cross multiply
    66,910x = 91,750 × 91,750
  4. Step 4: Simplify right side
    66,910x = 8,418,062,500
  5. Step 5: Solve for x
    x = 8,418,062,500/66,910
  6. Step 6: Final answer
    x = 125,811.72

Related Problems

Find third proportional to 33,455 and 45,875
Half scale
Find third proportional to 133,820 and 183,500
Double scale
Find third proportional to 66,912 and 91,753
Similar ratio
Find third proportional to 100,365 and 137,625
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.