Home / 40,620-82,356

Finding the Third Proportional to 40,620 and 82,356

Calculator

Solution

The third proportional to 40,620 and 82,356 is: 166,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,620 : 82,356 = 82,356 : x
  2. Step 2: Convert to fraction form
    40,620/82,356 = 82,356/x
  3. Step 3: Cross multiply
    40,620x = 82,356 × 82,356
  4. Step 4: Simplify right side
    40,620x = 6,782,510,736
  5. Step 5: Solve for x
    x = 6,782,510,736/40,620
  6. Step 6: Final answer
    x = 166,974.66

Related Problems

Find third proportional to 20,310 and 41,178
Half scale
Find third proportional to 81,240 and 164,712
Double scale
Find third proportional to 40,622 and 82,360
Similar ratio
Find third proportional to 60,930 and 123,534
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.