Home / 20,304-39,600

Finding the Third Proportional to 20,304 and 39,600

Calculator

Solution

The third proportional to 20,304 and 39,600 is: 77,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304 : 39,600 = 39,600 : x
  2. Step 2: Convert to fraction form
    20,304/39,600 = 39,600/x
  3. Step 3: Cross multiply
    20,304x = 39,600 × 39,600
  4. Step 4: Simplify right side
    20,304x = 1,568,160,000
  5. Step 5: Solve for x
    x = 1,568,160,000/20,304
  6. Step 6: Final answer
    x = 77,234.04

Related Problems

Find third proportional to 10,152 and 19,800
Half scale
Find third proportional to 40,608 and 79,200
Double scale
Find third proportional to 20,306 and 39,604
Similar ratio
Find third proportional to 30,456 and 59,400
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.