Home / 12,668-27,278

Finding the Third Proportional to 12,668 and 27,278

Calculator

Solution

The third proportional to 12,668 and 27,278 is: 58,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668 : 27,278 = 27,278 : x
  2. Step 2: Convert to fraction form
    12,668/27,278 = 27,278/x
  3. Step 3: Cross multiply
    12,668x = 27,278 × 27,278
  4. Step 4: Simplify right side
    12,668x = 744,089,284
  5. Step 5: Solve for x
    x = 744,089,284/12,668
  6. Step 6: Final answer
    x = 58,737.71

Related Problems

Find third proportional to 6,334 and 13,639
Half scale
Find third proportional to 25,336 and 54,556
Double scale
Find third proportional to 12,670 and 27,282
Similar ratio
Find third proportional to 19,002 and 40,917
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.