Home / 306-348

Finding the Third Proportional to 306 and 348

Calculator

Solution

The third proportional to 306 and 348 is: 395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306 : 348 = 348 : x
  2. Step 2: Convert to fraction form
    306/348 = 348/x
  3. Step 3: Cross multiply
    306x = 348 × 348
  4. Step 4: Simplify right side
    306x = 121,104
  5. Step 5: Solve for x
    x = 121,104/306
  6. Step 6: Final answer
    x = 395.76

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.