Home / 12,851-26,728

Finding the Third Proportional to 12,851 and 26,728

Calculator

Solution

The third proportional to 12,851 and 26,728 is: 55,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851 : 26,728 = 26,728 : x
  2. Step 2: Convert to fraction form
    12,851/26,728 = 26,728/x
  3. Step 3: Cross multiply
    12,851x = 26,728 × 26,728
  4. Step 4: Simplify right side
    12,851x = 714,385,984
  5. Step 5: Solve for x
    x = 714,385,984/12,851
  6. Step 6: Final answer
    x = 55,589.91

Related Problems

Find third proportional to 6,425.50 and 13,364
Half scale
Find third proportional to 25,702 and 53,456
Double scale
Find third proportional to 12,853 and 26,732
Similar ratio
Find third proportional to 19,276.50 and 40,092
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.