Home / 150,450-330,421

Finding the Third Proportional to 150,450 and 330,421

Calculator

Solution

The third proportional to 150,450 and 330,421 is: 725,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,450 : 330,421 = 330,421 : x
  2. Step 2: Convert to fraction form
    150,450/330,421 = 330,421/x
  3. Step 3: Cross multiply
    150,450x = 330,421 × 330,421
  4. Step 4: Simplify right side
    150,450x = 109,178,037,241
  5. Step 5: Solve for x
    x = 109,178,037,241/150,450
  6. Step 6: Final answer
    x = 725,676.55

Related Problems

Find third proportional to 75,225 and 165,210.50
Half scale
Find third proportional to 300,900 and 660,842
Double scale
Find third proportional to 150,452 and 330,425
Similar ratio
Find third proportional to 225,675 and 495,631.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.