Home / 18,570-40,100

Finding the Third Proportional to 18,570 and 40,100

Calculator

Solution

The third proportional to 18,570 and 40,100 is: 86,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570 : 40,100 = 40,100 : x
  2. Step 2: Convert to fraction form
    18,570/40,100 = 40,100/x
  3. Step 3: Cross multiply
    18,570x = 40,100 × 40,100
  4. Step 4: Simplify right side
    18,570x = 1,608,010,000
  5. Step 5: Solve for x
    x = 1,608,010,000/18,570
  6. Step 6: Final answer
    x = 86,591.81

Related Problems

Find third proportional to 9,285 and 20,050
Half scale
Find third proportional to 37,140 and 80,200
Double scale
Find third proportional to 18,572 and 40,104
Similar ratio
Find third proportional to 27,855 and 60,150
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.