Home / 12,863-16,378

Finding the Third Proportional to 12,863 and 16,378

Calculator

Solution

The third proportional to 12,863 and 16,378 is: 20,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863 : 16,378 = 16,378 : x
  2. Step 2: Convert to fraction form
    12,863/16,378 = 16,378/x
  3. Step 3: Cross multiply
    12,863x = 16,378 × 16,378
  4. Step 4: Simplify right side
    12,863x = 268,238,884
  5. Step 5: Solve for x
    x = 268,238,884/12,863
  6. Step 6: Final answer
    x = 20,853.52

Related Problems

Find third proportional to 6,431.50 and 8,189
Half scale
Find third proportional to 25,726 and 32,756
Double scale
Find third proportional to 12,865 and 16,381
Similar ratio
Find third proportional to 19,294.50 and 24,567
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.