Home / 11,316-18,216

Finding the Third Proportional to 11,316 and 18,216

Calculator

Solution

The third proportional to 11,316 and 18,216 is: 29,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316 : 18,216 = 18,216 : x
  2. Step 2: Convert to fraction form
    11,316/18,216 = 18,216/x
  3. Step 3: Cross multiply
    11,316x = 18,216 × 18,216
  4. Step 4: Simplify right side
    11,316x = 331,822,656
  5. Step 5: Solve for x
    x = 331,822,656/11,316
  6. Step 6: Final answer
    x = 29,323.32

Related Problems

Find third proportional to 5,658 and 9,108
Half scale
Find third proportional to 22,632 and 36,432
Double scale
Find third proportional to 11,318 and 18,219
Similar ratio
Find third proportional to 16,974 and 27,324
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.