Home / 3,816-7,380

Finding the Third Proportional to 3,816 and 7,380

Calculator

Solution

The third proportional to 3,816 and 7,380 is: 14,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816 : 7,380 = 7,380 : x
  2. Step 2: Convert to fraction form
    3,816/7,380 = 7,380/x
  3. Step 3: Cross multiply
    3,816x = 7,380 × 7,380
  4. Step 4: Simplify right side
    3,816x = 54,464,400
  5. Step 5: Solve for x
    x = 54,464,400/3,816
  6. Step 6: Final answer
    x = 14,272.64

Related Problems

Find third proportional to 1,908 and 3,690
Half scale
Find third proportional to 7,632 and 14,760
Double scale
Find third proportional to 3,818 and 7,384
Similar ratio
Find third proportional to 5,724 and 11,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.