Home / 20,540-43,153

Finding the Third Proportional to 20,540 and 43,153

Calculator

Solution

The third proportional to 20,540 and 43,153 is: 90,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,540 : 43,153 = 43,153 : x
  2. Step 2: Convert to fraction form
    20,540/43,153 = 43,153/x
  3. Step 3: Cross multiply
    20,540x = 43,153 × 43,153
  4. Step 4: Simplify right side
    20,540x = 1,862,181,409
  5. Step 5: Solve for x
    x = 1,862,181,409/20,540
  6. Step 6: Final answer
    x = 90,661.22

Related Problems

Find third proportional to 10,270 and 21,576.50
Half scale
Find third proportional to 41,080 and 86,306
Double scale
Find third proportional to 20,542 and 43,157
Similar ratio
Find third proportional to 30,810 and 64,729.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.