Home / 2,758-5,379

Finding the Third Proportional to 2,758 and 5,379

Calculator

Solution

The third proportional to 2,758 and 5,379 is: 10,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758 : 5,379 = 5,379 : x
  2. Step 2: Convert to fraction form
    2,758/5,379 = 5,379/x
  3. Step 3: Cross multiply
    2,758x = 5,379 × 5,379
  4. Step 4: Simplify right side
    2,758x = 28,933,641
  5. Step 5: Solve for x
    x = 28,933,641/2,758
  6. Step 6: Final answer
    x = 10,490.81

Related Problems

Find third proportional to 1,379 and 2,689.50
Half scale
Find third proportional to 5,516 and 10,758
Double scale
Find third proportional to 2,760 and 5,383
Similar ratio
Find third proportional to 4,137 and 8,068.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.