Home / 211,716-329,238

Finding the Third Proportional to 211,716 and 329,238

Calculator

Solution

The third proportional to 211,716 and 329,238 is: 511,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,716 : 329,238 = 329,238 : x
  2. Step 2: Convert to fraction form
    211,716/329,238 = 329,238/x
  3. Step 3: Cross multiply
    211,716x = 329,238 × 329,238
  4. Step 4: Simplify right side
    211,716x = 108,397,660,644
  5. Step 5: Solve for x
    x = 108,397,660,644/211,716
  6. Step 6: Final answer
    x = 511,995.60

Related Problems

Find third proportional to 105,858 and 164,619
Half scale
Find third proportional to 423,432 and 658,476
Double scale
Find third proportional to 211,718 and 329,241
Similar ratio
Find third proportional to 317,574 and 493,857
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.