Home / 12,298-18,807

Finding the Third Proportional to 12,298 and 18,807

Calculator

Solution

The third proportional to 12,298 and 18,807 is: 28,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298 : 18,807 = 18,807 : x
  2. Step 2: Convert to fraction form
    12,298/18,807 = 18,807/x
  3. Step 3: Cross multiply
    12,298x = 18,807 × 18,807
  4. Step 4: Simplify right side
    12,298x = 353,703,249
  5. Step 5: Solve for x
    x = 353,703,249/12,298
  6. Step 6: Final answer
    x = 28,761.04

Related Problems

Find third proportional to 6,149 and 9,403.50
Half scale
Find third proportional to 24,596 and 37,614
Double scale
Find third proportional to 12,300 and 18,810
Similar ratio
Find third proportional to 18,447 and 28,210.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.