Home / 201-391.50

Finding the Third Proportional to 201 and 391.50

Calculator

Solution

The third proportional to 201 and 391.50 is: 762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201 : 391.50 = 391.50 : x
  2. Step 2: Convert to fraction form
    201/391.50 = 391.50/x
  3. Step 3: Cross multiply
    201x = 391.50 × 391.50
  4. Step 4: Simplify right side
    201x = 153,272.25
  5. Step 5: Solve for x
    x = 153,272.25/201
  6. Step 6: Final answer
    x = 762.55

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.