Home / 3,485-7,672

Finding the Third Proportional to 3,485 and 7,672

Calculator

Solution

The third proportional to 3,485 and 7,672 is: 16,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485 : 7,672 = 7,672 : x
  2. Step 2: Convert to fraction form
    3,485/7,672 = 7,672/x
  3. Step 3: Cross multiply
    3,485x = 7,672 × 7,672
  4. Step 4: Simplify right side
    3,485x = 58,859,584
  5. Step 5: Solve for x
    x = 58,859,584/3,485
  6. Step 6: Final answer
    x = 16,889.41

Related Problems

Find third proportional to 1,742.50 and 3,836
Half scale
Find third proportional to 6,970 and 15,344
Double scale
Find third proportional to 3,487 and 7,676
Similar ratio
Find third proportional to 5,227.50 and 11,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.