Home / 20,128-30,192

Finding the Third Proportional to 20,128 and 30,192

Calculator

Solution

The third proportional to 20,128 and 30,192 is: 45,288

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128 : 30,192 = 30,192 : x
  2. Step 2: Convert to fraction form
    20,128/30,192 = 30,192/x
  3. Step 3: Cross multiply
    20,128x = 30,192 × 30,192
  4. Step 4: Simplify right side
    20,128x = 911,556,864
  5. Step 5: Solve for x
    x = 911,556,864/20,128
  6. Step 6: Final answer
    x = 45,288

Related Problems

Find third proportional to 10,064 and 15,096
Half scale
Find third proportional to 40,256 and 60,384
Double scale
Find third proportional to 20,130 and 30,195
Similar ratio
Find third proportional to 30,192 and 45,288
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.