Home / 8,912-11,908

Finding the Third Proportional to 8,912 and 11,908

Calculator

Solution

The third proportional to 8,912 and 11,908 is: 15,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912 : 11,908 = 11,908 : x
  2. Step 2: Convert to fraction form
    8,912/11,908 = 11,908/x
  3. Step 3: Cross multiply
    8,912x = 11,908 × 11,908
  4. Step 4: Simplify right side
    8,912x = 141,800,464
  5. Step 5: Solve for x
    x = 141,800,464/8,912
  6. Step 6: Final answer
    x = 15,911.18

Related Problems

Find third proportional to 4,456 and 5,954
Half scale
Find third proportional to 17,824 and 23,816
Double scale
Find third proportional to 8,914 and 11,911
Similar ratio
Find third proportional to 13,368 and 17,862
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.