Home / 11,824-15,778.50

Finding the Third Proportional to 11,824 and 15,778.50

Calculator

Solution

The third proportional to 11,824 and 15,778.50 is: 21,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824 : 15,778.50 = 15,778.50 : x
  2. Step 2: Convert to fraction form
    11,824/15,778.50 = 15,778.50/x
  3. Step 3: Cross multiply
    11,824x = 15,778.50 × 15,778.50
  4. Step 4: Simplify right side
    11,824x = 248,961,062.25
  5. Step 5: Solve for x
    x = 248,961,062.25/11,824
  6. Step 6: Final answer
    x = 21,055.57

Related Problems

Find third proportional to 5,912 and 7,889.25
Half scale
Find third proportional to 23,648 and 31,557
Double scale
Find third proportional to 11,826 and 15,781
Similar ratio
Find third proportional to 17,736 and 23,667.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.