Home / 8,758-18,906

Finding the Third Proportional to 8,758 and 18,906

Calculator

Solution

The third proportional to 8,758 and 18,906 is: 40,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758 : 18,906 = 18,906 : x
  2. Step 2: Convert to fraction form
    8,758/18,906 = 18,906/x
  3. Step 3: Cross multiply
    8,758x = 18,906 × 18,906
  4. Step 4: Simplify right side
    8,758x = 357,436,836
  5. Step 5: Solve for x
    x = 357,436,836/8,758
  6. Step 6: Final answer
    x = 40,812.61

Related Problems

Find third proportional to 4,379 and 9,453
Half scale
Find third proportional to 17,516 and 37,812
Double scale
Find third proportional to 8,760 and 18,910
Similar ratio
Find third proportional to 13,137 and 28,359
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.