Home / 18,236-39,876

Finding the Third Proportional to 18,236 and 39,876

Calculator

Solution

The third proportional to 18,236 and 39,876 is: 87,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236 : 39,876 = 39,876 : x
  2. Step 2: Convert to fraction form
    18,236/39,876 = 39,876/x
  3. Step 3: Cross multiply
    18,236x = 39,876 × 39,876
  4. Step 4: Simplify right side
    18,236x = 1,590,095,376
  5. Step 5: Solve for x
    x = 1,590,095,376/18,236
  6. Step 6: Final answer
    x = 87,195.40

Related Problems

Find third proportional to 9,118 and 19,938
Half scale
Find third proportional to 36,472 and 79,752
Double scale
Find third proportional to 18,238 and 39,880
Similar ratio
Find third proportional to 27,354 and 59,814
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.