Home / 18,960-30,288

Finding the Third Proportional to 18,960 and 30,288

Calculator

Solution

The third proportional to 18,960 and 30,288 is: 48,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960 : 30,288 = 30,288 : x
  2. Step 2: Convert to fraction form
    18,960/30,288 = 30,288/x
  3. Step 3: Cross multiply
    18,960x = 30,288 × 30,288
  4. Step 4: Simplify right side
    18,960x = 917,362,944
  5. Step 5: Solve for x
    x = 917,362,944/18,960
  6. Step 6: Final answer
    x = 48,384.12

Related Problems

Find third proportional to 9,480 and 15,144
Half scale
Find third proportional to 37,920 and 60,576
Double scale
Find third proportional to 18,962 and 30,291
Similar ratio
Find third proportional to 28,440 and 45,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.