Home / 3,291-7,191

Finding the Third Proportional to 3,291 and 7,191

Calculator

Solution

The third proportional to 3,291 and 7,191 is: 15,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291 : 7,191 = 7,191 : x
  2. Step 2: Convert to fraction form
    3,291/7,191 = 7,191/x
  3. Step 3: Cross multiply
    3,291x = 7,191 × 7,191
  4. Step 4: Simplify right side
    3,291x = 51,710,481
  5. Step 5: Solve for x
    x = 51,710,481/3,291
  6. Step 6: Final answer
    x = 15,712.70

Related Problems

Find third proportional to 1,645.50 and 3,595.50
Half scale
Find third proportional to 6,582 and 14,382
Double scale
Find third proportional to 3,293 and 7,195
Similar ratio
Find third proportional to 4,936.50 and 10,786.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.