Home / 8,264-12,855

Finding the Third Proportional to 8,264 and 12,855

Calculator

Solution

The third proportional to 8,264 and 12,855 is: 19,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264 : 12,855 = 12,855 : x
  2. Step 2: Convert to fraction form
    8,264/12,855 = 12,855/x
  3. Step 3: Cross multiply
    8,264x = 12,855 × 12,855
  4. Step 4: Simplify right side
    8,264x = 165,251,025
  5. Step 5: Solve for x
    x = 165,251,025/8,264
  6. Step 6: Final answer
    x = 19,996.49

Related Problems

Find third proportional to 4,132 and 6,427.50
Half scale
Find third proportional to 16,528 and 25,710
Double scale
Find third proportional to 8,266 and 12,858
Similar ratio
Find third proportional to 12,396 and 19,282.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.