Home / 3,426-5,139

Finding the Third Proportional to 3,426 and 5,139

Calculator

Solution

The third proportional to 3,426 and 5,139 is: 7,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426 : 5,139 = 5,139 : x
  2. Step 2: Convert to fraction form
    3,426/5,139 = 5,139/x
  3. Step 3: Cross multiply
    3,426x = 5,139 × 5,139
  4. Step 4: Simplify right side
    3,426x = 26,409,321
  5. Step 5: Solve for x
    x = 26,409,321/3,426
  6. Step 6: Final answer
    x = 7,708.50

Related Problems

Find third proportional to 1,713 and 2,569.50
Half scale
Find third proportional to 6,852 and 10,278
Double scale
Find third proportional to 3,428 and 5,142
Similar ratio
Find third proportional to 5,139 and 7,708.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.