Home / 355-624.50

Finding the Third Proportional to 355 and 624.50

Calculator

Solution

The third proportional to 355 and 624.50 is: 1,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355 : 624.50 = 624.50 : x
  2. Step 2: Convert to fraction form
    355/624.50 = 624.50/x
  3. Step 3: Cross multiply
    355x = 624.50 × 624.50
  4. Step 4: Simplify right side
    355x = 390,000.25
  5. Step 5: Solve for x
    x = 390,000.25/355
  6. Step 6: Final answer
    x = 1,098.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.