Home / 68,987-103,884

Finding the Third Proportional to 68,987 and 103,884

Calculator

Solution

The third proportional to 68,987 and 103,884 is: 156,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,987 : 103,884 = 103,884 : x
  2. Step 2: Convert to fraction form
    68,987/103,884 = 103,884/x
  3. Step 3: Cross multiply
    68,987x = 103,884 × 103,884
  4. Step 4: Simplify right side
    68,987x = 10,791,885,456
  5. Step 5: Solve for x
    x = 10,791,885,456/68,987
  6. Step 6: Final answer
    x = 156,433.61

Related Problems

Find third proportional to 34,493.50 and 51,942
Half scale
Find third proportional to 137,974 and 207,768
Double scale
Find third proportional to 68,989 and 103,887
Similar ratio
Find third proportional to 103,480.50 and 155,826
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.