Home / 8,918-18,832

Finding the Third Proportional to 8,918 and 18,832

Calculator

Solution

The third proportional to 8,918 and 18,832 is: 39,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918 : 18,832 = 18,832 : x
  2. Step 2: Convert to fraction form
    8,918/18,832 = 18,832/x
  3. Step 3: Cross multiply
    8,918x = 18,832 × 18,832
  4. Step 4: Simplify right side
    8,918x = 354,644,224
  5. Step 5: Solve for x
    x = 354,644,224/8,918
  6. Step 6: Final answer
    x = 39,767.24

Related Problems

Find third proportional to 4,459 and 9,416
Half scale
Find third proportional to 17,836 and 37,664
Double scale
Find third proportional to 8,920 and 18,836
Similar ratio
Find third proportional to 13,377 and 28,248
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.