Home / 18,126-28,647

Finding the Third Proportional to 18,126 and 28,647

Calculator

Solution

The third proportional to 18,126 and 28,647 is: 45,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126 : 28,647 = 28,647 : x
  2. Step 2: Convert to fraction form
    18,126/28,647 = 28,647/x
  3. Step 3: Cross multiply
    18,126x = 28,647 × 28,647
  4. Step 4: Simplify right side
    18,126x = 820,650,609
  5. Step 5: Solve for x
    x = 820,650,609/18,126
  6. Step 6: Final answer
    x = 45,274.78

Related Problems

Find third proportional to 9,063 and 14,323.50
Half scale
Find third proportional to 36,252 and 57,294
Double scale
Find third proportional to 18,128 and 28,650
Similar ratio
Find third proportional to 27,189 and 42,970.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.