Home / 8,512-13,616

Finding the Third Proportional to 8,512 and 13,616

Calculator

Solution

The third proportional to 8,512 and 13,616 is: 21,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512 : 13,616 = 13,616 : x
  2. Step 2: Convert to fraction form
    8,512/13,616 = 13,616/x
  3. Step 3: Cross multiply
    8,512x = 13,616 × 13,616
  4. Step 4: Simplify right side
    8,512x = 185,395,456
  5. Step 5: Solve for x
    x = 185,395,456/8,512
  6. Step 6: Final answer
    x = 21,780.48

Related Problems

Find third proportional to 4,256 and 6,808
Half scale
Find third proportional to 17,024 and 27,232
Double scale
Find third proportional to 8,514 and 13,619
Similar ratio
Find third proportional to 12,768 and 20,424
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.