Home / 8,516-18,265

Finding the Third Proportional to 8,516 and 18,265

Calculator

Solution

The third proportional to 8,516 and 18,265 is: 39,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516 : 18,265 = 18,265 : x
  2. Step 2: Convert to fraction form
    8,516/18,265 = 18,265/x
  3. Step 3: Cross multiply
    8,516x = 18,265 × 18,265
  4. Step 4: Simplify right side
    8,516x = 333,610,225
  5. Step 5: Solve for x
    x = 333,610,225/8,516
  6. Step 6: Final answer
    x = 39,174.52

Related Problems

Find third proportional to 4,258 and 9,132.50
Half scale
Find third proportional to 17,032 and 36,530
Double scale
Find third proportional to 8,518 and 18,269
Similar ratio
Find third proportional to 12,774 and 27,397.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.