Home / 3,874-9,205

Finding the Third Proportional to 3,874 and 9,205

Calculator

Solution

The third proportional to 3,874 and 9,205 is: 21,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874 : 9,205 = 9,205 : x
  2. Step 2: Convert to fraction form
    3,874/9,205 = 9,205/x
  3. Step 3: Cross multiply
    3,874x = 9,205 × 9,205
  4. Step 4: Simplify right side
    3,874x = 84,732,025
  5. Step 5: Solve for x
    x = 84,732,025/3,874
  6. Step 6: Final answer
    x = 21,871.97

Related Problems

Find third proportional to 1,937 and 4,602.50
Half scale
Find third proportional to 7,748 and 18,410
Double scale
Find third proportional to 3,876 and 9,210
Similar ratio
Find third proportional to 5,811 and 13,807.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.