Home / 10,516-18,198

Finding the Third Proportional to 10,516 and 18,198

Calculator

Solution

The third proportional to 10,516 and 18,198 is: 31,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516 : 18,198 = 18,198 : x
  2. Step 2: Convert to fraction form
    10,516/18,198 = 18,198/x
  3. Step 3: Cross multiply
    10,516x = 18,198 × 18,198
  4. Step 4: Simplify right side
    10,516x = 331,167,204
  5. Step 5: Solve for x
    x = 331,167,204/10,516
  6. Step 6: Final answer
    x = 31,491.75

Related Problems

Find third proportional to 5,258 and 9,099
Half scale
Find third proportional to 21,032 and 36,396
Double scale
Find third proportional to 10,518 and 18,201
Similar ratio
Find third proportional to 15,774 and 27,297
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.