Home / 8,868-18,816

Finding the Third Proportional to 8,868 and 18,816

Calculator

Solution

The third proportional to 8,868 and 18,816 is: 39,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868 : 18,816 = 18,816 : x
  2. Step 2: Convert to fraction form
    8,868/18,816 = 18,816/x
  3. Step 3: Cross multiply
    8,868x = 18,816 × 18,816
  4. Step 4: Simplify right side
    8,868x = 354,041,856
  5. Step 5: Solve for x
    x = 354,041,856/8,868
  6. Step 6: Final answer
    x = 39,923.53

Related Problems

Find third proportional to 4,434 and 9,408
Half scale
Find third proportional to 17,736 and 37,632
Double scale
Find third proportional to 8,870 and 18,820
Similar ratio
Find third proportional to 13,302 and 28,224
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.