Home / 483-620.50

Finding the Third Proportional to 483 and 620.50

Calculator

Solution

The third proportional to 483 and 620.50 is: 797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483 : 620.50 = 620.50 : x
  2. Step 2: Convert to fraction form
    483/620.50 = 620.50/x
  3. Step 3: Cross multiply
    483x = 620.50 × 620.50
  4. Step 4: Simplify right side
    483x = 385,020.25
  5. Step 5: Solve for x
    x = 385,020.25/483
  6. Step 6: Final answer
    x = 797.14

Related Problems

Find third proportional to 241.50 and 310.25
Half scale
Find third proportional to 966 and 1,241
Double scale
Find third proportional to 485 and 623
Similar ratio
Find third proportional to 724.50 and 930.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.