Home / 6,418-8,676

Finding the Third Proportional to 6,418 and 8,676

Calculator

Solution

The third proportional to 6,418 and 8,676 is: 11,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418 : 8,676 = 8,676 : x
  2. Step 2: Convert to fraction form
    6,418/8,676 = 8,676/x
  3. Step 3: Cross multiply
    6,418x = 8,676 × 8,676
  4. Step 4: Simplify right side
    6,418x = 75,272,976
  5. Step 5: Solve for x
    x = 75,272,976/6,418
  6. Step 6: Final answer
    x = 11,728.42

Related Problems

Find third proportional to 3,209 and 4,338
Half scale
Find third proportional to 12,836 and 17,352
Double scale
Find third proportional to 6,420 and 8,679
Similar ratio
Find third proportional to 9,627 and 13,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.