Home / 12,612-19,286

Finding the Third Proportional to 12,612 and 19,286

Calculator

Solution

The third proportional to 12,612 and 19,286 is: 29,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612 : 19,286 = 19,286 : x
  2. Step 2: Convert to fraction form
    12,612/19,286 = 19,286/x
  3. Step 3: Cross multiply
    12,612x = 19,286 × 19,286
  4. Step 4: Simplify right side
    12,612x = 371,949,796
  5. Step 5: Solve for x
    x = 371,949,796/12,612
  6. Step 6: Final answer
    x = 29,491.74

Related Problems

Find third proportional to 6,306 and 9,643
Half scale
Find third proportional to 25,224 and 38,572
Double scale
Find third proportional to 12,614 and 19,289
Similar ratio
Find third proportional to 18,918 and 28,929
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.