Home / 217,676-329,799

Finding the Third Proportional to 217,676 and 329,799

Calculator

Solution

The third proportional to 217,676 and 329,799 is: 499,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,676 : 329,799 = 329,799 : x
  2. Step 2: Convert to fraction form
    217,676/329,799 = 329,799/x
  3. Step 3: Cross multiply
    217,676x = 329,799 × 329,799
  4. Step 4: Simplify right side
    217,676x = 108,767,380,401
  5. Step 5: Solve for x
    x = 108,767,380,401/217,676
  6. Step 6: Final answer
    x = 499,675.57

Related Problems

Find third proportional to 108,838 and 164,899.50
Half scale
Find third proportional to 435,352 and 659,598
Double scale
Find third proportional to 217,678 and 329,802
Similar ratio
Find third proportional to 326,514 and 494,698.50
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.