Home / 148-220.75

Finding the Third Proportional to 148 and 220.75

Calculator

Solution

The third proportional to 148 and 220.75 is: 329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148 : 220.75 = 220.75 : x
  2. Step 2: Convert to fraction form
    148/220.75 = 220.75/x
  3. Step 3: Cross multiply
    148x = 220.75 × 220.75
  4. Step 4: Simplify right side
    148x = 48,730.56
  5. Step 5: Solve for x
    x = 48,730.56/148
  6. Step 6: Final answer
    x = 329.26

Related Problems

Find third proportional to 74 and 110.38
Half scale
Find third proportional to 296 and 441.50
Double scale
Find third proportional to 150 and 224
Similar ratio
Find third proportional to 222 and 331.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.