Home / 36,400-78,396

Finding the Third Proportional to 36,400 and 78,396

Calculator

Solution

The third proportional to 36,400 and 78,396 is: 168,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400 : 78,396 = 78,396 : x
  2. Step 2: Convert to fraction form
    36,400/78,396 = 78,396/x
  3. Step 3: Cross multiply
    36,400x = 78,396 × 78,396
  4. Step 4: Simplify right side
    36,400x = 6,145,932,816
  5. Step 5: Solve for x
    x = 6,145,932,816/36,400
  6. Step 6: Final answer
    x = 168,844.31

Related Problems

Find third proportional to 18,200 and 39,198
Half scale
Find third proportional to 72,800 and 156,792
Double scale
Find third proportional to 36,402 and 78,400
Similar ratio
Find third proportional to 54,600 and 117,594
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.