Home / 3,888-9,288

Finding the Third Proportional to 3,888 and 9,288

Calculator

Solution

The third proportional to 3,888 and 9,288 is: 22,188

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888 : 9,288 = 9,288 : x
  2. Step 2: Convert to fraction form
    3,888/9,288 = 9,288/x
  3. Step 3: Cross multiply
    3,888x = 9,288 × 9,288
  4. Step 4: Simplify right side
    3,888x = 86,266,944
  5. Step 5: Solve for x
    x = 86,266,944/3,888
  6. Step 6: Final answer
    x = 22,188

Related Problems

Find third proportional to 1,944 and 4,644
Half scale
Find third proportional to 7,776 and 18,576
Double scale
Find third proportional to 3,890 and 9,293
Similar ratio
Find third proportional to 5,832 and 13,932
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.