Home / 92-121

Finding the Third Proportional to 92 and 121

Calculator

Solution

The third proportional to 92 and 121 is: 159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92 : 121 = 121 : x
  2. Step 2: Convert to fraction form
    92/121 = 121/x
  3. Step 3: Cross multiply
    92x = 121 × 121
  4. Step 4: Simplify right side
    92x = 14,641
  5. Step 5: Solve for x
    x = 14,641/92
  6. Step 6: Final answer
    x = 159.14

Related Problems

Find third proportional to 46 and 60.50
Half scale
Find third proportional to 184 and 242
Double scale
Find third proportional to 94 and 124
Similar ratio
Find third proportional to 138 and 181.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.