Home / 18,432-28,512

Finding the Third Proportional to 18,432 and 28,512

Calculator

Solution

The third proportional to 18,432 and 28,512 is: 44,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432 : 28,512 = 28,512 : x
  2. Step 2: Convert to fraction form
    18,432/28,512 = 28,512/x
  3. Step 3: Cross multiply
    18,432x = 28,512 × 28,512
  4. Step 4: Simplify right side
    18,432x = 812,934,144
  5. Step 5: Solve for x
    x = 812,934,144/18,432
  6. Step 6: Final answer
    x = 44,104.50

Related Problems

Find third proportional to 9,216 and 14,256
Half scale
Find third proportional to 36,864 and 57,024
Double scale
Find third proportional to 18,434 and 28,515
Similar ratio
Find third proportional to 27,648 and 42,768
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.