Home / 145,578-220,995

Finding the Third Proportional to 145,578 and 220,995

Calculator

Solution

The third proportional to 145,578 and 220,995 is: 335,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,578 : 220,995 = 220,995 : x
  2. Step 2: Convert to fraction form
    145,578/220,995 = 220,995/x
  3. Step 3: Cross multiply
    145,578x = 220,995 × 220,995
  4. Step 4: Simplify right side
    145,578x = 48,838,790,025
  5. Step 5: Solve for x
    x = 48,838,790,025/145,578
  6. Step 6: Final answer
    x = 335,481.94

Related Problems

Find third proportional to 72,789 and 110,497.50
Half scale
Find third proportional to 291,156 and 441,990
Double scale
Find third proportional to 145,580 and 220,998
Similar ratio
Find third proportional to 218,367 and 331,492.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.