Home / 13,826-21,351

Finding the Third Proportional to 13,826 and 21,351

Calculator

Solution

The third proportional to 13,826 and 21,351 is: 32,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826 : 21,351 = 21,351 : x
  2. Step 2: Convert to fraction form
    13,826/21,351 = 21,351/x
  3. Step 3: Cross multiply
    13,826x = 21,351 × 21,351
  4. Step 4: Simplify right side
    13,826x = 455,865,201
  5. Step 5: Solve for x
    x = 455,865,201/13,826
  6. Step 6: Final answer
    x = 32,971.59

Related Problems

Find third proportional to 6,913 and 10,675.50
Half scale
Find third proportional to 27,652 and 42,702
Double scale
Find third proportional to 13,828 and 21,354
Similar ratio
Find third proportional to 20,739 and 32,026.50
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.