Home / 2,786-6,740

Finding the Third Proportional to 2,786 and 6,740

Calculator

Solution

The third proportional to 2,786 and 6,740 is: 16,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786 : 6,740 = 6,740 : x
  2. Step 2: Convert to fraction form
    2,786/6,740 = 6,740/x
  3. Step 3: Cross multiply
    2,786x = 6,740 × 6,740
  4. Step 4: Simplify right side
    2,786x = 45,427,600
  5. Step 5: Solve for x
    x = 45,427,600/2,786
  6. Step 6: Final answer
    x = 16,305.67

Related Problems

Find third proportional to 1,393 and 3,370
Half scale
Find third proportional to 5,572 and 13,480
Double scale
Find third proportional to 2,788 and 6,745
Similar ratio
Find third proportional to 4,179 and 10,110
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.