Home / 7,424-20,200

Finding the Third Proportional to 7,424 and 20,200

Calculator

Solution

The third proportional to 7,424 and 20,200 is: 54,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424 : 20,200 = 20,200 : x
  2. Step 2: Convert to fraction form
    7,424/20,200 = 20,200/x
  3. Step 3: Cross multiply
    7,424x = 20,200 × 20,200
  4. Step 4: Simplify right side
    7,424x = 408,040,000
  5. Step 5: Solve for x
    x = 408,040,000/7,424
  6. Step 6: Final answer
    x = 54,962.28

Related Problems

Find third proportional to 3,712 and 10,100
Half scale
Find third proportional to 14,848 and 40,400
Double scale
Find third proportional to 7,426 and 20,205
Similar ratio
Find third proportional to 11,136 and 30,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.