Home / 18,456-27,876

Finding the Third Proportional to 18,456 and 27,876

Calculator

Solution

The third proportional to 18,456 and 27,876 is: 42,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456 : 27,876 = 27,876 : x
  2. Step 2: Convert to fraction form
    18,456/27,876 = 27,876/x
  3. Step 3: Cross multiply
    18,456x = 27,876 × 27,876
  4. Step 4: Simplify right side
    18,456x = 777,071,376
  5. Step 5: Solve for x
    x = 777,071,376/18,456
  6. Step 6: Final answer
    x = 42,104.00

Related Problems

Find third proportional to 9,228 and 13,938
Half scale
Find third proportional to 36,912 and 55,752
Double scale
Find third proportional to 18,458 and 27,879
Similar ratio
Find third proportional to 27,684 and 41,814
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.