Home / 15,540-33,839

Finding the Third Proportional to 15,540 and 33,839

Calculator

Solution

The third proportional to 15,540 and 33,839 is: 73,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540 : 33,839 = 33,839 : x
  2. Step 2: Convert to fraction form
    15,540/33,839 = 33,839/x
  3. Step 3: Cross multiply
    15,540x = 33,839 × 33,839
  4. Step 4: Simplify right side
    15,540x = 1,145,077,921
  5. Step 5: Solve for x
    x = 1,145,077,921/15,540
  6. Step 6: Final answer
    x = 73,685.84

Related Problems

Find third proportional to 7,770 and 16,919.50
Half scale
Find third proportional to 31,080 and 67,678
Double scale
Find third proportional to 15,542 and 33,843
Similar ratio
Find third proportional to 23,310 and 50,758.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.