Home / 33,040-68,815

Finding the Third Proportional to 33,040 and 68,815

Calculator

Solution

The third proportional to 33,040 and 68,815 is: 143,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,040 : 68,815 = 68,815 : x
  2. Step 2: Convert to fraction form
    33,040/68,815 = 68,815/x
  3. Step 3: Cross multiply
    33,040x = 68,815 × 68,815
  4. Step 4: Simplify right side
    33,040x = 4,735,504,225
  5. Step 5: Solve for x
    x = 4,735,504,225/33,040
  6. Step 6: Final answer
    x = 143,326.40

Related Problems

Find third proportional to 16,520 and 34,407.50
Half scale
Find third proportional to 66,080 and 137,630
Double scale
Find third proportional to 33,042 and 68,819
Similar ratio
Find third proportional to 49,560 and 103,222.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.