Home / 8,108-18,478

Finding the Third Proportional to 8,108 and 18,478

Calculator

Solution

The third proportional to 8,108 and 18,478 is: 42,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108 : 18,478 = 18,478 : x
  2. Step 2: Convert to fraction form
    8,108/18,478 = 18,478/x
  3. Step 3: Cross multiply
    8,108x = 18,478 × 18,478
  4. Step 4: Simplify right side
    8,108x = 341,436,484
  5. Step 5: Solve for x
    x = 341,436,484/8,108
  6. Step 6: Final answer
    x = 42,111.06

Related Problems

Find third proportional to 4,054 and 9,239
Half scale
Find third proportional to 16,216 and 36,956
Double scale
Find third proportional to 8,110 and 18,483
Similar ratio
Find third proportional to 12,162 and 27,717
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.