Home / 142,108-218,995

Finding the Third Proportional to 142,108 and 218,995

Calculator

Solution

The third proportional to 142,108 and 218,995 is: 337,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,108 : 218,995 = 218,995 : x
  2. Step 2: Convert to fraction form
    142,108/218,995 = 218,995/x
  3. Step 3: Cross multiply
    142,108x = 218,995 × 218,995
  4. Step 4: Simplify right side
    142,108x = 47,958,810,025
  5. Step 5: Solve for x
    x = 47,958,810,025/142,108
  6. Step 6: Final answer
    x = 337,481.42

Related Problems

Find third proportional to 71,054 and 109,497.50
Half scale
Find third proportional to 284,216 and 437,990
Double scale
Find third proportional to 142,110 and 218,998
Similar ratio
Find third proportional to 213,162 and 328,492.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.