Home / 12,872-27,658

Finding the Third Proportional to 12,872 and 27,658

Calculator

Solution

The third proportional to 12,872 and 27,658 is: 59,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872 : 27,658 = 27,658 : x
  2. Step 2: Convert to fraction form
    12,872/27,658 = 27,658/x
  3. Step 3: Cross multiply
    12,872x = 27,658 × 27,658
  4. Step 4: Simplify right side
    12,872x = 764,964,964
  5. Step 5: Solve for x
    x = 764,964,964/12,872
  6. Step 6: Final answer
    x = 59,428.60

Related Problems

Find third proportional to 6,436 and 13,829
Half scale
Find third proportional to 25,744 and 55,316
Double scale
Find third proportional to 12,874 and 27,662
Similar ratio
Find third proportional to 19,308 and 41,487
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.