Home / 236-440

Finding the Third Proportional to 236 and 440

Calculator

Solution

The third proportional to 236 and 440 is: 820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236 : 440 = 440 : x
  2. Step 2: Convert to fraction form
    236/440 = 440/x
  3. Step 3: Cross multiply
    236x = 440 × 440
  4. Step 4: Simplify right side
    236x = 193,600
  5. Step 5: Solve for x
    x = 193,600/236
  6. Step 6: Final answer
    x = 820.34

Related Problems

Find third proportional to 118 and 220
Half scale
Find third proportional to 472 and 880
Double scale
Find third proportional to 238 and 444
Similar ratio
Find third proportional to 354 and 660
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.