Home / 1,339-2,651

Finding the Third Proportional to 1,339 and 2,651

Calculator

Solution

The third proportional to 1,339 and 2,651 is: 5,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339 : 2,651 = 2,651 : x
  2. Step 2: Convert to fraction form
    1,339/2,651 = 2,651/x
  3. Step 3: Cross multiply
    1,339x = 2,651 × 2,651
  4. Step 4: Simplify right side
    1,339x = 7,027,801
  5. Step 5: Solve for x
    x = 7,027,801/1,339
  6. Step 6: Final answer
    x = 5,248.54

Related Problems

Find third proportional to 669.50 and 1,325.50
Half scale
Find third proportional to 2,678 and 5,302
Double scale
Find third proportional to 1,341 and 2,655
Similar ratio
Find third proportional to 2,008.50 and 3,976.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.