Home / 13,504-15,920

Finding the Third Proportional to 13,504 and 15,920

Calculator

Solution

The third proportional to 13,504 and 15,920 is: 18,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504 : 15,920 = 15,920 : x
  2. Step 2: Convert to fraction form
    13,504/15,920 = 15,920/x
  3. Step 3: Cross multiply
    13,504x = 15,920 × 15,920
  4. Step 4: Simplify right side
    13,504x = 253,446,400
  5. Step 5: Solve for x
    x = 253,446,400/13,504
  6. Step 6: Final answer
    x = 18,768.25

Related Problems

Find third proportional to 6,752 and 7,960
Half scale
Find third proportional to 27,008 and 31,840
Double scale
Find third proportional to 13,506 and 15,922
Similar ratio
Find third proportional to 20,256 and 23,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.