Home / 13,898-20,103

Finding the Third Proportional to 13,898 and 20,103

Calculator

Solution

The third proportional to 13,898 and 20,103 is: 29,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898 : 20,103 = 20,103 : x
  2. Step 2: Convert to fraction form
    13,898/20,103 = 20,103/x
  3. Step 3: Cross multiply
    13,898x = 20,103 × 20,103
  4. Step 4: Simplify right side
    13,898x = 404,130,609
  5. Step 5: Solve for x
    x = 404,130,609/13,898
  6. Step 6: Final answer
    x = 29,078.33

Related Problems

Find third proportional to 6,949 and 10,051.50
Half scale
Find third proportional to 27,796 and 40,206
Double scale
Find third proportional to 13,900 and 20,106
Similar ratio
Find third proportional to 20,847 and 30,154.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.