Home / 3,808-8,779

Finding the Third Proportional to 3,808 and 8,779

Calculator

Solution

The third proportional to 3,808 and 8,779 is: 20,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808 : 8,779 = 8,779 : x
  2. Step 2: Convert to fraction form
    3,808/8,779 = 8,779/x
  3. Step 3: Cross multiply
    3,808x = 8,779 × 8,779
  4. Step 4: Simplify right side
    3,808x = 77,070,841
  5. Step 5: Solve for x
    x = 77,070,841/3,808
  6. Step 6: Final answer
    x = 20,239.19

Related Problems

Find third proportional to 1,904 and 4,389.50
Half scale
Find third proportional to 7,616 and 17,558
Double scale
Find third proportional to 3,810 and 8,784
Similar ratio
Find third proportional to 5,712 and 13,168.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.