Home / 3,868-7,824

Finding the Third Proportional to 3,868 and 7,824

Calculator

Solution

The third proportional to 3,868 and 7,824 is: 15,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868 : 7,824 = 7,824 : x
  2. Step 2: Convert to fraction form
    3,868/7,824 = 7,824/x
  3. Step 3: Cross multiply
    3,868x = 7,824 × 7,824
  4. Step 4: Simplify right side
    3,868x = 61,214,976
  5. Step 5: Solve for x
    x = 61,214,976/3,868
  6. Step 6: Final answer
    x = 15,826.00

Related Problems

Find third proportional to 1,934 and 3,912
Half scale
Find third proportional to 7,736 and 15,648
Double scale
Find third proportional to 3,870 and 7,828
Similar ratio
Find third proportional to 5,802 and 11,736
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.