Home / 150-359

Finding the Third Proportional to 150 and 359

Calculator

Solution

The third proportional to 150 and 359 is: 859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150 : 359 = 359 : x
  2. Step 2: Convert to fraction form
    150/359 = 359/x
  3. Step 3: Cross multiply
    150x = 359 × 359
  4. Step 4: Simplify right side
    150x = 128,881
  5. Step 5: Solve for x
    x = 128,881/150
  6. Step 6: Final answer
    x = 859.21

Related Problems

Find third proportional to 75 and 179.50
Half scale
Find third proportional to 300 and 718
Double scale
Find third proportional to 152 and 364
Similar ratio
Find third proportional to 225 and 538.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.