Home / 2,135-4,377

Finding the Third Proportional to 2,135 and 4,377

Calculator

Solution

The third proportional to 2,135 and 4,377 is: 8,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135 : 4,377 = 4,377 : x
  2. Step 2: Convert to fraction form
    2,135/4,377 = 4,377/x
  3. Step 3: Cross multiply
    2,135x = 4,377 × 4,377
  4. Step 4: Simplify right side
    2,135x = 19,158,129
  5. Step 5: Solve for x
    x = 19,158,129/2,135
  6. Step 6: Final answer
    x = 8,973.36

Related Problems

Find third proportional to 1,067.50 and 2,188.50
Half scale
Find third proportional to 4,270 and 8,754
Double scale
Find third proportional to 2,137 and 4,381
Similar ratio
Find third proportional to 3,202.50 and 6,565.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.