Home / 68,166-139,734

Finding the Third Proportional to 68,166 and 139,734

Calculator

Solution

The third proportional to 68,166 and 139,734 is: 286,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166 : 139,734 = 139,734 : x
  2. Step 2: Convert to fraction form
    68,166/139,734 = 139,734/x
  3. Step 3: Cross multiply
    68,166x = 139,734 × 139,734
  4. Step 4: Simplify right side
    68,166x = 19,525,590,756
  5. Step 5: Solve for x
    x = 19,525,590,756/68,166
  6. Step 6: Final answer
    x = 286,441.79

Related Problems

Find third proportional to 34,083 and 69,867
Half scale
Find third proportional to 136,332 and 279,468
Double scale
Find third proportional to 68,168 and 139,738
Similar ratio
Find third proportional to 102,249 and 209,601
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.