Home / 298-359

Finding the Third Proportional to 298 and 359

Calculator

Solution

The third proportional to 298 and 359 is: 432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    298 : 359 = 359 : x
  2. Step 2: Convert to fraction form
    298/359 = 359/x
  3. Step 3: Cross multiply
    298x = 359 × 359
  4. Step 4: Simplify right side
    298x = 128,881
  5. Step 5: Solve for x
    x = 128,881/298
  6. Step 6: Final answer
    x = 432.49

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.