Home / 67,227-143,286

Finding the Third Proportional to 67,227 and 143,286

Calculator

Solution

The third proportional to 67,227 and 143,286 is: 305,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227 : 143,286 = 143,286 : x
  2. Step 2: Convert to fraction form
    67,227/143,286 = 143,286/x
  3. Step 3: Cross multiply
    67,227x = 143,286 × 143,286
  4. Step 4: Simplify right side
    67,227x = 20,530,877,796
  5. Step 5: Solve for x
    x = 20,530,877,796/67,227
  6. Step 6: Final answer
    x = 305,396.31

Related Problems

Find third proportional to 33,613.50 and 71,643
Half scale
Find third proportional to 134,454 and 286,572
Double scale
Find third proportional to 67,229 and 143,290
Similar ratio
Find third proportional to 100,840.50 and 214,929
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.