Home / 11,690-17,881

Finding the Third Proportional to 11,690 and 17,881

Calculator

Solution

The third proportional to 11,690 and 17,881 is: 27,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690 : 17,881 = 17,881 : x
  2. Step 2: Convert to fraction form
    11,690/17,881 = 17,881/x
  3. Step 3: Cross multiply
    11,690x = 17,881 × 17,881
  4. Step 4: Simplify right side
    11,690x = 319,730,161
  5. Step 5: Solve for x
    x = 319,730,161/11,690
  6. Step 6: Final answer
    x = 27,350.74

Related Problems

Find third proportional to 5,845 and 8,940.50
Half scale
Find third proportional to 23,380 and 35,762
Double scale
Find third proportional to 11,692 and 17,884
Similar ratio
Find third proportional to 17,535 and 26,821.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.