Home / 221-459.50

Finding the Third Proportional to 221 and 459.50

Calculator

Solution

The third proportional to 221 and 459.50 is: 955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221 : 459.50 = 459.50 : x
  2. Step 2: Convert to fraction form
    221/459.50 = 459.50/x
  3. Step 3: Cross multiply
    221x = 459.50 × 459.50
  4. Step 4: Simplify right side
    221x = 211,140.25
  5. Step 5: Solve for x
    x = 211,140.25/221
  6. Step 6: Final answer
    x = 955.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.