Home / 9,278-19,876

Finding the Third Proportional to 9,278 and 19,876

Calculator

Solution

The third proportional to 9,278 and 19,876 is: 42,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278 : 19,876 = 19,876 : x
  2. Step 2: Convert to fraction form
    9,278/19,876 = 19,876/x
  3. Step 3: Cross multiply
    9,278x = 19,876 × 19,876
  4. Step 4: Simplify right side
    9,278x = 395,055,376
  5. Step 5: Solve for x
    x = 395,055,376/9,278
  6. Step 6: Final answer
    x = 42,579.80

Related Problems

Find third proportional to 4,639 and 9,938
Half scale
Find third proportional to 18,556 and 39,752
Double scale
Find third proportional to 9,280 and 19,880
Similar ratio
Find third proportional to 13,917 and 29,814
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.