Home / 6,386-7,331

Finding the Third Proportional to 6,386 and 7,331

Calculator

Solution

The third proportional to 6,386 and 7,331 is: 8,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386 : 7,331 = 7,331 : x
  2. Step 2: Convert to fraction form
    6,386/7,331 = 7,331/x
  3. Step 3: Cross multiply
    6,386x = 7,331 × 7,331
  4. Step 4: Simplify right side
    6,386x = 53,743,561
  5. Step 5: Solve for x
    x = 53,743,561/6,386
  6. Step 6: Final answer
    x = 8,415.84

Related Problems

Find third proportional to 3,193 and 3,665.50
Half scale
Find third proportional to 12,772 and 14,662
Double scale
Find third proportional to 6,388 and 7,333
Similar ratio
Find third proportional to 9,579 and 10,996.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.