Home / 3,100-3,508

Finding the Third Proportional to 3,100 and 3,508

Calculator

Solution

The third proportional to 3,100 and 3,508 is: 3,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100 : 3,508 = 3,508 : x
  2. Step 2: Convert to fraction form
    3,100/3,508 = 3,508/x
  3. Step 3: Cross multiply
    3,100x = 3,508 × 3,508
  4. Step 4: Simplify right side
    3,100x = 12,306,064
  5. Step 5: Solve for x
    x = 12,306,064/3,100
  6. Step 6: Final answer
    x = 3,969.70

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.