Home / 6,936-15,690

Finding the Third Proportional to 6,936 and 15,690

Calculator

Solution

The third proportional to 6,936 and 15,690 is: 35,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936 : 15,690 = 15,690 : x
  2. Step 2: Convert to fraction form
    6,936/15,690 = 15,690/x
  3. Step 3: Cross multiply
    6,936x = 15,690 × 15,690
  4. Step 4: Simplify right side
    6,936x = 246,176,100
  5. Step 5: Solve for x
    x = 246,176,100/6,936
  6. Step 6: Final answer
    x = 35,492.52

Related Problems

Find third proportional to 3,468 and 7,845
Half scale
Find third proportional to 13,872 and 31,380
Double scale
Find third proportional to 6,938 and 15,695
Similar ratio
Find third proportional to 10,404 and 23,535
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.