Home / 143,634-218,043

Finding the Third Proportional to 143,634 and 218,043

Calculator

Solution

The third proportional to 143,634 and 218,043 is: 330,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,634 : 218,043 = 218,043 : x
  2. Step 2: Convert to fraction form
    143,634/218,043 = 218,043/x
  3. Step 3: Cross multiply
    143,634x = 218,043 × 218,043
  4. Step 4: Simplify right side
    143,634x = 47,542,749,849
  5. Step 5: Solve for x
    x = 47,542,749,849/143,634
  6. Step 6: Final answer
    x = 330,999.27

Related Problems

Find third proportional to 71,817 and 109,021.50
Half scale
Find third proportional to 287,268 and 436,086
Double scale
Find third proportional to 143,636 and 218,046
Similar ratio
Find third proportional to 215,451 and 327,064.50
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.