Home / 2,556-6,930

Finding the Third Proportional to 2,556 and 6,930

Calculator

Solution

The third proportional to 2,556 and 6,930 is: 18,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556 : 6,930 = 6,930 : x
  2. Step 2: Convert to fraction form
    2,556/6,930 = 6,930/x
  3. Step 3: Cross multiply
    2,556x = 6,930 × 6,930
  4. Step 4: Simplify right side
    2,556x = 48,024,900
  5. Step 5: Solve for x
    x = 48,024,900/2,556
  6. Step 6: Final answer
    x = 18,789.08

Related Problems

Find third proportional to 1,278 and 3,465
Half scale
Find third proportional to 5,112 and 13,860
Double scale
Find third proportional to 2,558 and 6,935
Similar ratio
Find third proportional to 3,834 and 10,395
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.