Home / 40,619-54,336

Finding the Third Proportional to 40,619 and 54,336

Calculator

Solution

The third proportional to 40,619 and 54,336 is: 72,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619 : 54,336 = 54,336 : x
  2. Step 2: Convert to fraction form
    40,619/54,336 = 54,336/x
  3. Step 3: Cross multiply
    40,619x = 54,336 × 54,336
  4. Step 4: Simplify right side
    40,619x = 2,952,400,896
  5. Step 5: Solve for x
    x = 2,952,400,896/40,619
  6. Step 6: Final answer
    x = 72,685.22

Related Problems

Find third proportional to 20,309.50 and 27,168
Half scale
Find third proportional to 81,238 and 108,672
Double scale
Find third proportional to 40,621 and 54,339
Similar ratio
Find third proportional to 60,928.50 and 81,504
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.