Home / 195-439.50

Finding the Third Proportional to 195 and 439.50

Calculator

Solution

The third proportional to 195 and 439.50 is: 990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195 : 439.50 = 439.50 : x
  2. Step 2: Convert to fraction form
    195/439.50 = 439.50/x
  3. Step 3: Cross multiply
    195x = 439.50 × 439.50
  4. Step 4: Simplify right side
    195x = 193,160.25
  5. Step 5: Solve for x
    x = 193,160.25/195
  6. Step 6: Final answer
    x = 990.57

Related Problems

Find third proportional to 97.50 and 219.75
Half scale
Find third proportional to 390 and 879
Double scale
Find third proportional to 197 and 444
Similar ratio
Find third proportional to 292.50 and 659.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.