Home / 11,316-15,318

Finding the Third Proportional to 11,316 and 15,318

Calculator

Solution

The third proportional to 11,316 and 15,318 is: 20,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316 : 15,318 = 15,318 : x
  2. Step 2: Convert to fraction form
    11,316/15,318 = 15,318/x
  3. Step 3: Cross multiply
    11,316x = 15,318 × 15,318
  4. Step 4: Simplify right side
    11,316x = 234,641,124
  5. Step 5: Solve for x
    x = 234,641,124/11,316
  6. Step 6: Final answer
    x = 20,735.34

Related Problems

Find third proportional to 5,658 and 7,659
Half scale
Find third proportional to 22,632 and 30,636
Double scale
Find third proportional to 11,318 and 15,321
Similar ratio
Find third proportional to 16,974 and 22,977
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.