Home / 8,396-15,820

Finding the Third Proportional to 8,396 and 15,820

Calculator

Solution

The third proportional to 8,396 and 15,820 is: 29,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396 : 15,820 = 15,820 : x
  2. Step 2: Convert to fraction form
    8,396/15,820 = 15,820/x
  3. Step 3: Cross multiply
    8,396x = 15,820 × 15,820
  4. Step 4: Simplify right side
    8,396x = 250,272,400
  5. Step 5: Solve for x
    x = 250,272,400/8,396
  6. Step 6: Final answer
    x = 29,808.53

Related Problems

Find third proportional to 4,198 and 7,910
Half scale
Find third proportional to 16,792 and 31,640
Double scale
Find third proportional to 8,398 and 15,824
Similar ratio
Find third proportional to 12,594 and 23,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.