Home / 372-488.50

Finding the Third Proportional to 372 and 488.50

Calculator

Solution

The third proportional to 372 and 488.50 is: 641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372 : 488.50 = 488.50 : x
  2. Step 2: Convert to fraction form
    372/488.50 = 488.50/x
  3. Step 3: Cross multiply
    372x = 488.50 × 488.50
  4. Step 4: Simplify right side
    372x = 238,632.25
  5. Step 5: Solve for x
    x = 238,632.25/372
  6. Step 6: Final answer
    x = 641.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.