Home / 9,400-20,480

Finding the Third Proportional to 9,400 and 20,480

Calculator

Solution

The third proportional to 9,400 and 20,480 is: 44,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400 : 20,480 = 20,480 : x
  2. Step 2: Convert to fraction form
    9,400/20,480 = 20,480/x
  3. Step 3: Cross multiply
    9,400x = 20,480 × 20,480
  4. Step 4: Simplify right side
    9,400x = 419,430,400
  5. Step 5: Solve for x
    x = 419,430,400/9,400
  6. Step 6: Final answer
    x = 44,620.26

Related Problems

Find third proportional to 4,700 and 10,240
Half scale
Find third proportional to 18,800 and 40,960
Double scale
Find third proportional to 9,402 and 20,484
Similar ratio
Find third proportional to 14,100 and 30,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.