Home / 7,992-13,122

Finding the Third Proportional to 7,992 and 13,122

Calculator

Solution

The third proportional to 7,992 and 13,122 is: 21,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992 : 13,122 = 13,122 : x
  2. Step 2: Convert to fraction form
    7,992/13,122 = 13,122/x
  3. Step 3: Cross multiply
    7,992x = 13,122 × 13,122
  4. Step 4: Simplify right side
    7,992x = 172,186,884
  5. Step 5: Solve for x
    x = 172,186,884/7,992
  6. Step 6: Final answer
    x = 21,544.91

Related Problems

Find third proportional to 3,996 and 6,561
Half scale
Find third proportional to 15,984 and 26,244
Double scale
Find third proportional to 7,994 and 13,125
Similar ratio
Find third proportional to 11,988 and 19,683
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.