Home / 11,658-15,543

Finding the Third Proportional to 11,658 and 15,543

Calculator

Solution

The third proportional to 11,658 and 15,543 is: 20,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658 : 15,543 = 15,543 : x
  2. Step 2: Convert to fraction form
    11,658/15,543 = 15,543/x
  3. Step 3: Cross multiply
    11,658x = 15,543 × 15,543
  4. Step 4: Simplify right side
    11,658x = 241,584,849
  5. Step 5: Solve for x
    x = 241,584,849/11,658
  6. Step 6: Final answer
    x = 20,722.67

Related Problems

Find third proportional to 5,829 and 7,771.50
Half scale
Find third proportional to 23,316 and 31,086
Double scale
Find third proportional to 11,660 and 15,546
Similar ratio
Find third proportional to 17,487 and 23,314.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.