Home / 13,868-21,336

Finding the Third Proportional to 13,868 and 21,336

Calculator

Solution

The third proportional to 13,868 and 21,336 is: 32,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868 : 21,336 = 21,336 : x
  2. Step 2: Convert to fraction form
    13,868/21,336 = 21,336/x
  3. Step 3: Cross multiply
    13,868x = 21,336 × 21,336
  4. Step 4: Simplify right side
    13,868x = 455,224,896
  5. Step 5: Solve for x
    x = 455,224,896/13,868
  6. Step 6: Final answer
    x = 32,825.56

Related Problems

Find third proportional to 6,934 and 10,668
Half scale
Find third proportional to 27,736 and 42,672
Double scale
Find third proportional to 13,870 and 21,339
Similar ratio
Find third proportional to 20,802 and 32,004
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.