Home / 7,516-11,686

Finding the Third Proportional to 7,516 and 11,686

Calculator

Solution

The third proportional to 7,516 and 11,686 is: 18,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516 : 11,686 = 11,686 : x
  2. Step 2: Convert to fraction form
    7,516/11,686 = 11,686/x
  3. Step 3: Cross multiply
    7,516x = 11,686 × 11,686
  4. Step 4: Simplify right side
    7,516x = 136,562,596
  5. Step 5: Solve for x
    x = 136,562,596/7,516
  6. Step 6: Final answer
    x = 18,169.58

Related Problems

Find third proportional to 3,758 and 5,843
Half scale
Find third proportional to 15,032 and 23,372
Double scale
Find third proportional to 7,518 and 11,689
Similar ratio
Find third proportional to 11,274 and 17,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.