Home / 68,619-144,722

Finding the Third Proportional to 68,619 and 144,722

Calculator

Solution

The third proportional to 68,619 and 144,722 is: 305,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,619 : 144,722 = 144,722 : x
  2. Step 2: Convert to fraction form
    68,619/144,722 = 144,722/x
  3. Step 3: Cross multiply
    68,619x = 144,722 × 144,722
  4. Step 4: Simplify right side
    68,619x = 20,944,457,284
  5. Step 5: Solve for x
    x = 20,944,457,284/68,619
  6. Step 6: Final answer
    x = 305,228.25

Related Problems

Find third proportional to 34,309.50 and 72,361
Half scale
Find third proportional to 137,238 and 289,444
Double scale
Find third proportional to 68,621 and 144,726
Similar ratio
Find third proportional to 102,928.50 and 217,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.