Home / 20,128-43,324

Finding the Third Proportional to 20,128 and 43,324

Calculator

Solution

The third proportional to 20,128 and 43,324 is: 93,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128 : 43,324 = 43,324 : x
  2. Step 2: Convert to fraction form
    20,128/43,324 = 43,324/x
  3. Step 3: Cross multiply
    20,128x = 43,324 × 43,324
  4. Step 4: Simplify right side
    20,128x = 1,876,968,976
  5. Step 5: Solve for x
    x = 1,876,968,976/20,128
  6. Step 6: Final answer
    x = 93,251.64

Related Problems

Find third proportional to 10,064 and 21,662
Half scale
Find third proportional to 40,256 and 86,648
Double scale
Find third proportional to 20,130 and 43,328
Similar ratio
Find third proportional to 30,192 and 64,986
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.