Home / 112-191

Finding the Third Proportional to 112 and 191

Calculator

Solution

The third proportional to 112 and 191 is: 325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112 : 191 = 191 : x
  2. Step 2: Convert to fraction form
    112/191 = 191/x
  3. Step 3: Cross multiply
    112x = 191 × 191
  4. Step 4: Simplify right side
    112x = 36,481
  5. Step 5: Solve for x
    x = 36,481/112
  6. Step 6: Final answer
    x = 325.72

Related Problems

Find third proportional to 56 and 95.50
Half scale
Find third proportional to 224 and 382
Double scale
Find third proportional to 114 and 194
Similar ratio
Find third proportional to 168 and 286.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.