Home / 5,979-12,981

Finding the Third Proportional to 5,979 and 12,981

Calculator

Solution

The third proportional to 5,979 and 12,981 is: 28,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979 : 12,981 = 12,981 : x
  2. Step 2: Convert to fraction form
    5,979/12,981 = 12,981/x
  3. Step 3: Cross multiply
    5,979x = 12,981 × 12,981
  4. Step 4: Simplify right side
    5,979x = 168,506,361
  5. Step 5: Solve for x
    x = 168,506,361/5,979
  6. Step 6: Final answer
    x = 28,183.03

Related Problems

Find third proportional to 2,989.50 and 6,490.50
Half scale
Find third proportional to 11,958 and 25,962
Double scale
Find third proportional to 5,981 and 12,985
Similar ratio
Find third proportional to 8,968.50 and 19,471.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.