Home / 18,236-40,036

Finding the Third Proportional to 18,236 and 40,036

Calculator

Solution

The third proportional to 18,236 and 40,036 is: 87,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236 : 40,036 = 40,036 : x
  2. Step 2: Convert to fraction form
    18,236/40,036 = 40,036/x
  3. Step 3: Cross multiply
    18,236x = 40,036 × 40,036
  4. Step 4: Simplify right side
    18,236x = 1,602,881,296
  5. Step 5: Solve for x
    x = 1,602,881,296/18,236
  6. Step 6: Final answer
    x = 87,896.54

Related Problems

Find third proportional to 9,118 and 20,018
Half scale
Find third proportional to 36,472 and 80,072
Double scale
Find third proportional to 18,238 and 40,040
Similar ratio
Find third proportional to 27,354 and 60,054
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.