Home / 10,656-15,939

Finding the Third Proportional to 10,656 and 15,939

Calculator

Solution

The third proportional to 10,656 and 15,939 is: 23,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656 : 15,939 = 15,939 : x
  2. Step 2: Convert to fraction form
    10,656/15,939 = 15,939/x
  3. Step 3: Cross multiply
    10,656x = 15,939 × 15,939
  4. Step 4: Simplify right side
    10,656x = 254,051,721
  5. Step 5: Solve for x
    x = 254,051,721/10,656
  6. Step 6: Final answer
    x = 23,841.19

Related Problems

Find third proportional to 5,328 and 7,969.50
Half scale
Find third proportional to 21,312 and 31,878
Double scale
Find third proportional to 10,658 and 15,942
Similar ratio
Find third proportional to 15,984 and 23,908.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.