Home / 368-628

Finding the Third Proportional to 368 and 628

Calculator

Solution

The third proportional to 368 and 628 is: 1,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368 : 628 = 628 : x
  2. Step 2: Convert to fraction form
    368/628 = 628/x
  3. Step 3: Cross multiply
    368x = 628 × 628
  4. Step 4: Simplify right side
    368x = 394,384
  5. Step 5: Solve for x
    x = 394,384/368
  6. Step 6: Final answer
    x = 1,071.70

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.