Home / 7,798-12,396

Finding the Third Proportional to 7,798 and 12,396

Calculator

Solution

The third proportional to 7,798 and 12,396 is: 19,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798 : 12,396 = 12,396 : x
  2. Step 2: Convert to fraction form
    7,798/12,396 = 12,396/x
  3. Step 3: Cross multiply
    7,798x = 12,396 × 12,396
  4. Step 4: Simplify right side
    7,798x = 153,660,816
  5. Step 5: Solve for x
    x = 153,660,816/7,798
  6. Step 6: Final answer
    x = 19,705.16

Related Problems

Find third proportional to 3,899 and 6,198
Half scale
Find third proportional to 15,596 and 24,792
Double scale
Find third proportional to 7,800 and 12,399
Similar ratio
Find third proportional to 11,697 and 18,594
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.