Home / 150,378-330,309

Finding the Third Proportional to 150,378 and 330,309

Calculator

Solution

The third proportional to 150,378 and 330,309 is: 725,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,378 : 330,309 = 330,309 : x
  2. Step 2: Convert to fraction form
    150,378/330,309 = 330,309/x
  3. Step 3: Cross multiply
    150,378x = 330,309 × 330,309
  4. Step 4: Simplify right side
    150,378x = 109,104,035,481
  5. Step 5: Solve for x
    x = 109,104,035,481/150,378
  6. Step 6: Final answer
    x = 725,531.90

Related Problems

Find third proportional to 75,189 and 165,154.50
Half scale
Find third proportional to 300,756 and 660,618
Double scale
Find third proportional to 150,380 and 330,313
Similar ratio
Find third proportional to 225,567 and 495,463.50
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.