Home / 481-778

Finding the Third Proportional to 481 and 778

Calculator

Solution

The third proportional to 481 and 778 is: 1,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481 : 778 = 778 : x
  2. Step 2: Convert to fraction form
    481/778 = 778/x
  3. Step 3: Cross multiply
    481x = 778 × 778
  4. Step 4: Simplify right side
    481x = 605,284
  5. Step 5: Solve for x
    x = 605,284/481
  6. Step 6: Final answer
    x = 1,258.39

Related Problems

Find third proportional to 240.50 and 389
Half scale
Find third proportional to 962 and 1,556
Double scale
Find third proportional to 483 and 781
Similar ratio
Find third proportional to 721.50 and 1,167
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.