Home / 6,289-8,880

Finding the Third Proportional to 6,289 and 8,880

Calculator

Solution

The third proportional to 6,289 and 8,880 is: 12,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289 : 8,880 = 8,880 : x
  2. Step 2: Convert to fraction form
    6,289/8,880 = 8,880/x
  3. Step 3: Cross multiply
    6,289x = 8,880 × 8,880
  4. Step 4: Simplify right side
    6,289x = 78,854,400
  5. Step 5: Solve for x
    x = 78,854,400/6,289
  6. Step 6: Final answer
    x = 12,538.46

Related Problems

Find third proportional to 3,144.50 and 4,440
Half scale
Find third proportional to 12,578 and 17,760
Double scale
Find third proportional to 6,291 and 8,883
Similar ratio
Find third proportional to 9,433.50 and 13,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.