Home / 9,408-18,208

Finding the Third Proportional to 9,408 and 18,208

Calculator

Solution

The third proportional to 9,408 and 18,208 is: 35,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408 : 18,208 = 18,208 : x
  2. Step 2: Convert to fraction form
    9,408/18,208 = 18,208/x
  3. Step 3: Cross multiply
    9,408x = 18,208 × 18,208
  4. Step 4: Simplify right side
    9,408x = 331,531,264
  5. Step 5: Solve for x
    x = 331,531,264/9,408
  6. Step 6: Final answer
    x = 35,239.29

Related Problems

Find third proportional to 4,704 and 9,104
Half scale
Find third proportional to 18,816 and 36,416
Double scale
Find third proportional to 9,410 and 18,212
Similar ratio
Find third proportional to 14,112 and 27,312
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.