Home / 43,920-68,108

Finding the Third Proportional to 43,920 and 68,108

Calculator

Solution

The third proportional to 43,920 and 68,108 is: 105,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,920 : 68,108 = 68,108 : x
  2. Step 2: Convert to fraction form
    43,920/68,108 = 68,108/x
  3. Step 3: Cross multiply
    43,920x = 68,108 × 68,108
  4. Step 4: Simplify right side
    43,920x = 4,638,699,664
  5. Step 5: Solve for x
    x = 4,638,699,664/43,920
  6. Step 6: Final answer
    x = 105,617.02

Related Problems

Find third proportional to 21,960 and 34,054
Half scale
Find third proportional to 87,840 and 136,216
Double scale
Find third proportional to 43,922 and 68,111
Similar ratio
Find third proportional to 65,880 and 102,162
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.