Home / 140,318-214,653

Finding the Third Proportional to 140,318 and 214,653

Calculator

Solution

The third proportional to 140,318 and 214,653 is: 328,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,318 : 214,653 = 214,653 : x
  2. Step 2: Convert to fraction form
    140,318/214,653 = 214,653/x
  3. Step 3: Cross multiply
    140,318x = 214,653 × 214,653
  4. Step 4: Simplify right side
    140,318x = 46,075,910,409
  5. Step 5: Solve for x
    x = 46,075,910,409/140,318
  6. Step 6: Final answer
    x = 328,367.78

Related Problems

Find third proportional to 70,159 and 107,326.50
Half scale
Find third proportional to 280,636 and 429,306
Double scale
Find third proportional to 140,320 and 214,656
Similar ratio
Find third proportional to 210,477 and 321,979.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.