Home / 9,378-19,836

Finding the Third Proportional to 9,378 and 19,836

Calculator

Solution

The third proportional to 9,378 and 19,836 is: 41,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378 : 19,836 = 19,836 : x
  2. Step 2: Convert to fraction form
    9,378/19,836 = 19,836/x
  3. Step 3: Cross multiply
    9,378x = 19,836 × 19,836
  4. Step 4: Simplify right side
    9,378x = 393,466,896
  5. Step 5: Solve for x
    x = 393,466,896/9,378
  6. Step 6: Final answer
    x = 41,956.38

Related Problems

Find third proportional to 4,689 and 9,918
Half scale
Find third proportional to 18,756 and 39,672
Double scale
Find third proportional to 9,380 and 19,840
Similar ratio
Find third proportional to 14,067 and 29,754
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.