Home / 220,458-329,829

Finding the Third Proportional to 220,458 and 329,829

Calculator

Solution

The third proportional to 220,458 and 329,829 is: 493,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,458 : 329,829 = 329,829 : x
  2. Step 2: Convert to fraction form
    220,458/329,829 = 329,829/x
  3. Step 3: Cross multiply
    220,458x = 329,829 × 329,829
  4. Step 4: Simplify right side
    220,458x = 108,787,169,241
  5. Step 5: Solve for x
    x = 108,787,169,241/220,458
  6. Step 6: Final answer
    x = 493,459.84

Related Problems

Find third proportional to 110,229 and 164,914.50
Half scale
Find third proportional to 440,916 and 659,658
Double scale
Find third proportional to 220,460 and 329,832
Similar ratio
Find third proportional to 330,687 and 494,743.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.