Home / 12,628-26,872

Finding the Third Proportional to 12,628 and 26,872

Calculator

Solution

The third proportional to 12,628 and 26,872 is: 57,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628 : 26,872 = 26,872 : x
  2. Step 2: Convert to fraction form
    12,628/26,872 = 26,872/x
  3. Step 3: Cross multiply
    12,628x = 26,872 × 26,872
  4. Step 4: Simplify right side
    12,628x = 722,104,384
  5. Step 5: Solve for x
    x = 722,104,384/12,628
  6. Step 6: Final answer
    x = 57,182.80

Related Problems

Find third proportional to 6,314 and 13,436
Half scale
Find third proportional to 25,256 and 53,744
Double scale
Find third proportional to 12,630 and 26,876
Similar ratio
Find third proportional to 18,942 and 40,308
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.