Home / 18,612-28,818

Finding the Third Proportional to 18,612 and 28,818

Calculator

Solution

The third proportional to 18,612 and 28,818 is: 44,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612 : 28,818 = 28,818 : x
  2. Step 2: Convert to fraction form
    18,612/28,818 = 28,818/x
  3. Step 3: Cross multiply
    18,612x = 28,818 × 28,818
  4. Step 4: Simplify right side
    18,612x = 830,477,124
  5. Step 5: Solve for x
    x = 830,477,124/18,612
  6. Step 6: Final answer
    x = 44,620.52

Related Problems

Find third proportional to 9,306 and 14,409
Half scale
Find third proportional to 37,224 and 57,636
Double scale
Find third proportional to 18,614 and 28,821
Similar ratio
Find third proportional to 27,918 and 43,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.