Home / 9,115-11,968

Finding the Third Proportional to 9,115 and 11,968

Calculator

Solution

The third proportional to 9,115 and 11,968 is: 15,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115 : 11,968 = 11,968 : x
  2. Step 2: Convert to fraction form
    9,115/11,968 = 11,968/x
  3. Step 3: Cross multiply
    9,115x = 11,968 × 11,968
  4. Step 4: Simplify right side
    9,115x = 143,233,024
  5. Step 5: Solve for x
    x = 143,233,024/9,115
  6. Step 6: Final answer
    x = 15,713.99

Related Problems

Find third proportional to 4,557.50 and 5,984
Half scale
Find third proportional to 18,230 and 23,936
Double scale
Find third proportional to 9,117 and 11,971
Similar ratio
Find third proportional to 13,672.50 and 17,952
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.