Home / 18,516-37,860

Finding the Third Proportional to 18,516 and 37,860

Calculator

Solution

The third proportional to 18,516 and 37,860 is: 77,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516 : 37,860 = 37,860 : x
  2. Step 2: Convert to fraction form
    18,516/37,860 = 37,860/x
  3. Step 3: Cross multiply
    18,516x = 37,860 × 37,860
  4. Step 4: Simplify right side
    18,516x = 1,433,379,600
  5. Step 5: Solve for x
    x = 1,433,379,600/18,516
  6. Step 6: Final answer
    x = 77,413.03

Related Problems

Find third proportional to 9,258 and 18,930
Half scale
Find third proportional to 37,032 and 75,720
Double scale
Find third proportional to 18,518 and 37,864
Similar ratio
Find third proportional to 27,774 and 56,790
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.