Home / 6,726-7,680

Finding the Third Proportional to 6,726 and 7,680

Calculator

Solution

The third proportional to 6,726 and 7,680 is: 8,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726 : 7,680 = 7,680 : x
  2. Step 2: Convert to fraction form
    6,726/7,680 = 7,680/x
  3. Step 3: Cross multiply
    6,726x = 7,680 × 7,680
  4. Step 4: Simplify right side
    6,726x = 58,982,400
  5. Step 5: Solve for x
    x = 58,982,400/6,726
  6. Step 6: Final answer
    x = 8,769.31

Related Problems

Find third proportional to 3,363 and 3,840
Half scale
Find third proportional to 13,452 and 15,360
Double scale
Find third proportional to 6,728 and 7,682
Similar ratio
Find third proportional to 10,089 and 11,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.