Home / 7,788-16,728

Finding the Third Proportional to 7,788 and 16,728

Calculator

Solution

The third proportional to 7,788 and 16,728 is: 35,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788 : 16,728 = 16,728 : x
  2. Step 2: Convert to fraction form
    7,788/16,728 = 16,728/x
  3. Step 3: Cross multiply
    7,788x = 16,728 × 16,728
  4. Step 4: Simplify right side
    7,788x = 279,825,984
  5. Step 5: Solve for x
    x = 279,825,984/7,788
  6. Step 6: Final answer
    x = 35,930.40

Related Problems

Find third proportional to 3,894 and 8,364
Half scale
Find third proportional to 15,576 and 33,456
Double scale
Find third proportional to 7,790 and 16,732
Similar ratio
Find third proportional to 11,682 and 25,092
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.