Home / 18,406-28,343

Finding the Third Proportional to 18,406 and 28,343

Calculator

Solution

The third proportional to 18,406 and 28,343 is: 43,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406 : 28,343 = 28,343 : x
  2. Step 2: Convert to fraction form
    18,406/28,343 = 28,343/x
  3. Step 3: Cross multiply
    18,406x = 28,343 × 28,343
  4. Step 4: Simplify right side
    18,406x = 803,325,649
  5. Step 5: Solve for x
    x = 803,325,649/18,406
  6. Step 6: Final answer
    x = 43,644.77

Related Problems

Find third proportional to 9,203 and 14,171.50
Half scale
Find third proportional to 36,812 and 56,686
Double scale
Find third proportional to 18,408 and 28,346
Similar ratio
Find third proportional to 27,609 and 42,514.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.