Home / 13,238-18,818

Finding the Third Proportional to 13,238 and 18,818

Calculator

Solution

The third proportional to 13,238 and 18,818 is: 26,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238 : 18,818 = 18,818 : x
  2. Step 2: Convert to fraction form
    13,238/18,818 = 18,818/x
  3. Step 3: Cross multiply
    13,238x = 18,818 × 18,818
  4. Step 4: Simplify right side
    13,238x = 354,117,124
  5. Step 5: Solve for x
    x = 354,117,124/13,238
  6. Step 6: Final answer
    x = 26,750.05

Related Problems

Find third proportional to 6,619 and 9,409
Half scale
Find third proportional to 26,476 and 37,636
Double scale
Find third proportional to 13,240 and 18,821
Similar ratio
Find third proportional to 19,857 and 28,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.