Home / 936-1,509

Finding the Third Proportional to 936 and 1,509

Calculator

Solution

The third proportional to 936 and 1,509 is: 2,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    936 : 1,509 = 1,509 : x
  2. Step 2: Convert to fraction form
    936/1,509 = 1,509/x
  3. Step 3: Cross multiply
    936x = 1,509 × 1,509
  4. Step 4: Simplify right side
    936x = 2,277,081
  5. Step 5: Solve for x
    x = 2,277,081/936
  6. Step 6: Final answer
    x = 2,432.78

Related Problems

Find third proportional to 468 and 754.50
Half scale
Find third proportional to 1,872 and 3,018
Double scale
Find third proportional to 938 and 1,512
Similar ratio
Find third proportional to 1,404 and 2,263.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.