Home / 5,628-6,780

Finding the Third Proportional to 5,628 and 6,780

Calculator

Solution

The third proportional to 5,628 and 6,780 is: 8,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628 : 6,780 = 6,780 : x
  2. Step 2: Convert to fraction form
    5,628/6,780 = 6,780/x
  3. Step 3: Cross multiply
    5,628x = 6,780 × 6,780
  4. Step 4: Simplify right side
    5,628x = 45,968,400
  5. Step 5: Solve for x
    x = 45,968,400/5,628
  6. Step 6: Final answer
    x = 8,167.80

Related Problems

Find third proportional to 2,814 and 3,390
Half scale
Find third proportional to 11,256 and 13,560
Double scale
Find third proportional to 5,630 and 6,782
Similar ratio
Find third proportional to 8,442 and 10,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.