Home / 8,982-20,981

Finding the Third Proportional to 8,982 and 20,981

Calculator

Solution

The third proportional to 8,982 and 20,981 is: 49,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982 : 20,981 = 20,981 : x
  2. Step 2: Convert to fraction form
    8,982/20,981 = 20,981/x
  3. Step 3: Cross multiply
    8,982x = 20,981 × 20,981
  4. Step 4: Simplify right side
    8,982x = 440,202,361
  5. Step 5: Solve for x
    x = 440,202,361/8,982
  6. Step 6: Final answer
    x = 49,009.39

Related Problems

Find third proportional to 4,491 and 10,490.50
Half scale
Find third proportional to 17,964 and 41,962
Double scale
Find third proportional to 8,984 and 20,986
Similar ratio
Find third proportional to 13,473 and 31,471.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.