Home / 3,440-5,288

Finding the Third Proportional to 3,440 and 5,288

Calculator

Solution

The third proportional to 3,440 and 5,288 is: 8,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440 : 5,288 = 5,288 : x
  2. Step 2: Convert to fraction form
    3,440/5,288 = 5,288/x
  3. Step 3: Cross multiply
    3,440x = 5,288 × 5,288
  4. Step 4: Simplify right side
    3,440x = 27,962,944
  5. Step 5: Solve for x
    x = 27,962,944/3,440
  6. Step 6: Final answer
    x = 8,128.76

Related Problems

Find third proportional to 1,720 and 2,644
Half scale
Find third proportional to 6,880 and 10,576
Double scale
Find third proportional to 3,442 and 5,291
Similar ratio
Find third proportional to 5,160 and 7,932
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.