Home / 13,896-20,820

Finding the Third Proportional to 13,896 and 20,820

Calculator

Solution

The third proportional to 13,896 and 20,820 is: 31,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896 : 20,820 = 20,820 : x
  2. Step 2: Convert to fraction form
    13,896/20,820 = 20,820/x
  3. Step 3: Cross multiply
    13,896x = 20,820 × 20,820
  4. Step 4: Simplify right side
    13,896x = 433,472,400
  5. Step 5: Solve for x
    x = 433,472,400/13,896
  6. Step 6: Final answer
    x = 31,194.04

Related Problems

Find third proportional to 6,948 and 10,410
Half scale
Find third proportional to 27,792 and 41,640
Double scale
Find third proportional to 13,898 and 20,823
Similar ratio
Find third proportional to 20,844 and 31,230
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.