Home / 16,816-18,304

Finding the Third Proportional to 16,816 and 18,304

Calculator

Solution

The third proportional to 16,816 and 18,304 is: 19,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816 : 18,304 = 18,304 : x
  2. Step 2: Convert to fraction form
    16,816/18,304 = 18,304/x
  3. Step 3: Cross multiply
    16,816x = 18,304 × 18,304
  4. Step 4: Simplify right side
    16,816x = 335,036,416
  5. Step 5: Solve for x
    x = 335,036,416/16,816
  6. Step 6: Final answer
    x = 19,923.67

Related Problems

Find third proportional to 8,408 and 9,152
Half scale
Find third proportional to 33,632 and 36,608
Double scale
Find third proportional to 16,818 and 18,306
Similar ratio
Find third proportional to 25,224 and 27,456
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.