Home / 15,398-20,626

Finding the Third Proportional to 15,398 and 20,626

Calculator

Solution

The third proportional to 15,398 and 20,626 is: 27,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398 : 20,626 = 20,626 : x
  2. Step 2: Convert to fraction form
    15,398/20,626 = 20,626/x
  3. Step 3: Cross multiply
    15,398x = 20,626 × 20,626
  4. Step 4: Simplify right side
    15,398x = 425,431,876
  5. Step 5: Solve for x
    x = 425,431,876/15,398
  6. Step 6: Final answer
    x = 27,629.03

Related Problems

Find third proportional to 7,699 and 10,313
Half scale
Find third proportional to 30,796 and 41,252
Double scale
Find third proportional to 15,400 and 20,629
Similar ratio
Find third proportional to 23,097 and 30,939
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.