Home / 6,960-10,311

Finding the Third Proportional to 6,960 and 10,311

Calculator

Solution

The third proportional to 6,960 and 10,311 is: 15,275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960 : 10,311 = 10,311 : x
  2. Step 2: Convert to fraction form
    6,960/10,311 = 10,311/x
  3. Step 3: Cross multiply
    6,960x = 10,311 × 10,311
  4. Step 4: Simplify right side
    6,960x = 106,316,721
  5. Step 5: Solve for x
    x = 106,316,721/6,960
  6. Step 6: Final answer
    x = 15,275.39

Related Problems

Find third proportional to 3,480 and 5,155.50
Half scale
Find third proportional to 13,920 and 20,622
Double scale
Find third proportional to 6,962 and 10,314
Similar ratio
Find third proportional to 10,440 and 15,466.50
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.