Home / 13,558-21,252

Finding the Third Proportional to 13,558 and 21,252

Calculator

Solution

The third proportional to 13,558 and 21,252 is: 33,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558 : 21,252 = 21,252 : x
  2. Step 2: Convert to fraction form
    13,558/21,252 = 21,252/x
  3. Step 3: Cross multiply
    13,558x = 21,252 × 21,252
  4. Step 4: Simplify right side
    13,558x = 451,647,504
  5. Step 5: Solve for x
    x = 451,647,504/13,558
  6. Step 6: Final answer
    x = 33,312.25

Related Problems

Find third proportional to 6,779 and 10,626
Half scale
Find third proportional to 27,116 and 42,504
Double scale
Find third proportional to 13,560 and 21,255
Similar ratio
Find third proportional to 20,337 and 31,878
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.