Home / 6,686-7,307

Finding the Third Proportional to 6,686 and 7,307

Calculator

Solution

The third proportional to 6,686 and 7,307 is: 7,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686 : 7,307 = 7,307 : x
  2. Step 2: Convert to fraction form
    6,686/7,307 = 7,307/x
  3. Step 3: Cross multiply
    6,686x = 7,307 × 7,307
  4. Step 4: Simplify right side
    6,686x = 53,392,249
  5. Step 5: Solve for x
    x = 53,392,249/6,686
  6. Step 6: Final answer
    x = 7,985.68

Related Problems

Find third proportional to 3,343 and 3,653.50
Half scale
Find third proportional to 13,372 and 14,614
Double scale
Find third proportional to 6,688 and 7,309
Similar ratio
Find third proportional to 10,029 and 10,960.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.