Home / 3,418-3,778

Finding the Third Proportional to 3,418 and 3,778

Calculator

Solution

The third proportional to 3,418 and 3,778 is: 4,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418 : 3,778 = 3,778 : x
  2. Step 2: Convert to fraction form
    3,418/3,778 = 3,778/x
  3. Step 3: Cross multiply
    3,418x = 3,778 × 3,778
  4. Step 4: Simplify right side
    3,418x = 14,273,284
  5. Step 5: Solve for x
    x = 14,273,284/3,418
  6. Step 6: Final answer
    x = 4,175.92

Related Problems

Find third proportional to 1,709 and 1,889
Half scale
Find third proportional to 6,836 and 7,556
Double scale
Find third proportional to 3,420 and 3,780
Similar ratio
Find third proportional to 5,127 and 5,667
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.