Home / 11,318-15,207

Finding the Third Proportional to 11,318 and 15,207

Calculator

Solution

The third proportional to 11,318 and 15,207 is: 20,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318 : 15,207 = 15,207 : x
  2. Step 2: Convert to fraction form
    11,318/15,207 = 15,207/x
  3. Step 3: Cross multiply
    11,318x = 15,207 × 15,207
  4. Step 4: Simplify right side
    11,318x = 231,252,849
  5. Step 5: Solve for x
    x = 231,252,849/11,318
  6. Step 6: Final answer
    x = 20,432.31

Related Problems

Find third proportional to 5,659 and 7,603.50
Half scale
Find third proportional to 22,636 and 30,414
Double scale
Find third proportional to 11,320 and 15,210
Similar ratio
Find third proportional to 16,977 and 22,810.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.