Home / 8,816-18,190

Finding the Third Proportional to 8,816 and 18,190

Calculator

Solution

The third proportional to 8,816 and 18,190 is: 37,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816 : 18,190 = 18,190 : x
  2. Step 2: Convert to fraction form
    8,816/18,190 = 18,190/x
  3. Step 3: Cross multiply
    8,816x = 18,190 × 18,190
  4. Step 4: Simplify right side
    8,816x = 330,876,100
  5. Step 5: Solve for x
    x = 330,876,100/8,816
  6. Step 6: Final answer
    x = 37,531.32

Related Problems

Find third proportional to 4,408 and 9,095
Half scale
Find third proportional to 17,632 and 36,380
Double scale
Find third proportional to 8,818 and 18,194
Similar ratio
Find third proportional to 13,224 and 27,285
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.