Home / 936-1,386

Finding the Third Proportional to 936 and 1,386

Calculator

Solution

The third proportional to 936 and 1,386 is: 2,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936 : 1,386 = 1,386 : x
  2. Step 2: Convert to fraction form
    936/1,386 = 1,386/x
  3. Step 3: Cross multiply
    936x = 1,386 × 1,386
  4. Step 4: Simplify right side
    936x = 1,920,996
  5. Step 5: Solve for x
    x = 1,920,996/936
  6. Step 6: Final answer
    x = 2,052.35

Related Problems

Find third proportional to 468 and 693
Half scale
Find third proportional to 1,872 and 2,772
Double scale
Find third proportional to 938 and 1,389
Similar ratio
Find third proportional to 1,404 and 2,079
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.