Home / 12,630-27,720

Finding the Third Proportional to 12,630 and 27,720

Calculator

Solution

The third proportional to 12,630 and 27,720 is: 60,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630 : 27,720 = 27,720 : x
  2. Step 2: Convert to fraction form
    12,630/27,720 = 27,720/x
  3. Step 3: Cross multiply
    12,630x = 27,720 × 27,720
  4. Step 4: Simplify right side
    12,630x = 768,398,400
  5. Step 5: Solve for x
    x = 768,398,400/12,630
  6. Step 6: Final answer
    x = 60,839.14

Related Problems

Find third proportional to 6,315 and 13,860
Half scale
Find third proportional to 25,260 and 55,440
Double scale
Find third proportional to 12,632 and 27,724
Similar ratio
Find third proportional to 18,945 and 41,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.