Home / 11,532-15,390

Finding the Third Proportional to 11,532 and 15,390

Calculator

Solution

The third proportional to 11,532 and 15,390 is: 20,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,532 : 15,390 = 15,390 : x
  2. Step 2: Convert to fraction form
    11,532/15,390 = 15,390/x
  3. Step 3: Cross multiply
    11,532x = 15,390 × 15,390
  4. Step 4: Simplify right side
    11,532x = 236,852,100
  5. Step 5: Solve for x
    x = 236,852,100/11,532
  6. Step 6: Final answer
    x = 20,538.68

Related Problems

Find third proportional to 5,766 and 7,695
Half scale
Find third proportional to 23,064 and 30,780
Double scale
Find third proportional to 11,534 and 15,393
Similar ratio
Find third proportional to 17,298 and 23,085
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.