Home / 8,608-12,660

Finding the Third Proportional to 8,608 and 12,660

Calculator

Solution

The third proportional to 8,608 and 12,660 is: 18,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608 : 12,660 = 12,660 : x
  2. Step 2: Convert to fraction form
    8,608/12,660 = 12,660/x
  3. Step 3: Cross multiply
    8,608x = 12,660 × 12,660
  4. Step 4: Simplify right side
    8,608x = 160,275,600
  5. Step 5: Solve for x
    x = 160,275,600/8,608
  6. Step 6: Final answer
    x = 18,619.38

Related Problems

Find third proportional to 4,304 and 6,330
Half scale
Find third proportional to 17,216 and 25,320
Double scale
Find third proportional to 8,610 and 12,663
Similar ratio
Find third proportional to 12,912 and 18,990
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.