Home / 1,908-2,718

Finding the Third Proportional to 1,908 and 2,718

Calculator

Solution

The third proportional to 1,908 and 2,718 is: 3,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908 : 2,718 = 2,718 : x
  2. Step 2: Convert to fraction form
    1,908/2,718 = 2,718/x
  3. Step 3: Cross multiply
    1,908x = 2,718 × 2,718
  4. Step 4: Simplify right side
    1,908x = 7,387,524
  5. Step 5: Solve for x
    x = 7,387,524/1,908
  6. Step 6: Final answer
    x = 3,871.87

Related Problems

Find third proportional to 954 and 1,359
Half scale
Find third proportional to 3,816 and 5,436
Double scale
Find third proportional to 1,910 and 2,721
Similar ratio
Find third proportional to 2,862 and 4,077
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.