Home / 799-1,278

Finding the Third Proportional to 799 and 1,278

Calculator

Solution

The third proportional to 799 and 1,278 is: 2,044.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    799 : 1,278 = 1,278 : x
  2. Step 2: Convert to fraction form
    799/1,278 = 1,278/x
  3. Step 3: Cross multiply
    799x = 1,278 × 1,278
  4. Step 4: Simplify right side
    799x = 1,633,284
  5. Step 5: Solve for x
    x = 1,633,284/799
  6. Step 6: Final answer
    x = 2,044.16

Related Problems

Find third proportional to 399.50 and 639
Half scale
Find third proportional to 1,598 and 2,556
Double scale
Find third proportional to 801 and 1,281
Similar ratio
Find third proportional to 1,198.50 and 1,917
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.