Home / 244.50-394.50

Finding the Third Proportional to 244.50 and 394.50

Calculator

Solution

The third proportional to 244.50 and 394.50 is: 636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.50 : 394.50 = 394.50 : x
  2. Step 2: Convert to fraction form
    244.50/394.50 = 394.50/x
  3. Step 3: Cross multiply
    244.50x = 394.50 × 394.50
  4. Step 4: Simplify right side
    244.50x = 155,630.25
  5. Step 5: Solve for x
    x = 155,630.25/244.50
  6. Step 6: Final answer
    x = 636.52

Related Problems

Find third proportional to 122.25 and 197.25
Half scale
Find third proportional to 489 and 789
Double scale
Find third proportional to 247 and 398
Similar ratio
Find third proportional to 366.75 and 591.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.