Home / 6,728-7,700

Finding the Third Proportional to 6,728 and 7,700

Calculator

Solution

The third proportional to 6,728 and 7,700 is: 8,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728 : 7,700 = 7,700 : x
  2. Step 2: Convert to fraction form
    6,728/7,700 = 7,700/x
  3. Step 3: Cross multiply
    6,728x = 7,700 × 7,700
  4. Step 4: Simplify right side
    6,728x = 59,290,000
  5. Step 5: Solve for x
    x = 59,290,000/6,728
  6. Step 6: Final answer
    x = 8,812.43

Related Problems

Find third proportional to 3,364 and 3,850
Half scale
Find third proportional to 13,456 and 15,400
Double scale
Find third proportional to 6,730 and 7,702
Similar ratio
Find third proportional to 10,092 and 11,550
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.