Home / 40,298-90,720

Finding the Third Proportional to 40,298 and 90,720

Calculator

Solution

The third proportional to 40,298 and 90,720 is: 204,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298 : 90,720 = 90,720 : x
  2. Step 2: Convert to fraction form
    40,298/90,720 = 90,720/x
  3. Step 3: Cross multiply
    40,298x = 90,720 × 90,720
  4. Step 4: Simplify right side
    40,298x = 8,230,118,400
  5. Step 5: Solve for x
    x = 8,230,118,400/40,298
  6. Step 6: Final answer
    x = 204,231.44

Related Problems

Find third proportional to 20,149 and 45,360
Half scale
Find third proportional to 80,596 and 181,440
Double scale
Find third proportional to 40,300 and 90,725
Similar ratio
Find third proportional to 60,447 and 136,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.