Home / 8,318-17,338

Finding the Third Proportional to 8,318 and 17,338

Calculator

Solution

The third proportional to 8,318 and 17,338 is: 36,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318 : 17,338 = 17,338 : x
  2. Step 2: Convert to fraction form
    8,318/17,338 = 17,338/x
  3. Step 3: Cross multiply
    8,318x = 17,338 × 17,338
  4. Step 4: Simplify right side
    8,318x = 300,606,244
  5. Step 5: Solve for x
    x = 300,606,244/8,318
  6. Step 6: Final answer
    x = 36,139.25

Related Problems

Find third proportional to 4,159 and 8,669
Half scale
Find third proportional to 16,636 and 34,676
Double scale
Find third proportional to 8,320 and 17,342
Similar ratio
Find third proportional to 12,477 and 26,007
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.