Home / 217,802-329,986

Finding the Third Proportional to 217,802 and 329,986

Calculator

Solution

The third proportional to 217,802 and 329,986 is: 499,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,802 : 329,986 = 329,986 : x
  2. Step 2: Convert to fraction form
    217,802/329,986 = 329,986/x
  3. Step 3: Cross multiply
    217,802x = 329,986 × 329,986
  4. Step 4: Simplify right side
    217,802x = 108,890,760,196
  5. Step 5: Solve for x
    x = 108,890,760,196/217,802
  6. Step 6: Final answer
    x = 499,952.99

Related Problems

Find third proportional to 108,901 and 164,993
Half scale
Find third proportional to 435,604 and 659,972
Double scale
Find third proportional to 217,804 and 329,989
Similar ratio
Find third proportional to 326,703 and 494,979
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.