Home / 150,429-330,385

Finding the Third Proportional to 150,429 and 330,385

Calculator

Solution

The third proportional to 150,429 and 330,385 is: 725,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,429 : 330,385 = 330,385 : x
  2. Step 2: Convert to fraction form
    150,429/330,385 = 330,385/x
  3. Step 3: Cross multiply
    150,429x = 330,385 × 330,385
  4. Step 4: Simplify right side
    150,429x = 109,154,248,225
  5. Step 5: Solve for x
    x = 109,154,248,225/150,429
  6. Step 6: Final answer
    x = 725,619.72

Related Problems

Find third proportional to 75,214.50 and 165,192.50
Half scale
Find third proportional to 300,858 and 660,770
Double scale
Find third proportional to 150,431 and 330,389
Similar ratio
Find third proportional to 225,643.50 and 495,577.50
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.