Home / 18,852-28,279

Finding the Third Proportional to 18,852 and 28,279

Calculator

Solution

The third proportional to 18,852 and 28,279 is: 42,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852 : 28,279 = 28,279 : x
  2. Step 2: Convert to fraction form
    18,852/28,279 = 28,279/x
  3. Step 3: Cross multiply
    18,852x = 28,279 × 28,279
  4. Step 4: Simplify right side
    18,852x = 799,701,841
  5. Step 5: Solve for x
    x = 799,701,841/18,852
  6. Step 6: Final answer
    x = 42,420.00

Related Problems

Find third proportional to 9,426 and 14,139.50
Half scale
Find third proportional to 37,704 and 56,558
Double scale
Find third proportional to 18,854 and 28,282
Similar ratio
Find third proportional to 28,278 and 42,418.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.