Home / 481.50-635.50

Finding the Third Proportional to 481.50 and 635.50

Calculator

Solution

The third proportional to 481.50 and 635.50 is: 838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.50 : 635.50 = 635.50 : x
  2. Step 2: Convert to fraction form
    481.50/635.50 = 635.50/x
  3. Step 3: Cross multiply
    481.50x = 635.50 × 635.50
  4. Step 4: Simplify right side
    481.50x = 403,860.25
  5. Step 5: Solve for x
    x = 403,860.25/481.50
  6. Step 6: Final answer
    x = 838.75

Related Problems

Find third proportional to 240.75 and 317.75
Half scale
Find third proportional to 963 and 1,271
Double scale
Find third proportional to 484 and 638
Similar ratio
Find third proportional to 722.25 and 953.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.