Home / 202.50-423

Finding the Third Proportional to 202.50 and 423

Calculator

Solution

The third proportional to 202.50 and 423 is: 883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.50 : 423 = 423 : x
  2. Step 2: Convert to fraction form
    202.50/423 = 423/x
  3. Step 3: Cross multiply
    202.50x = 423 × 423
  4. Step 4: Simplify right side
    202.50x = 178,929
  5. Step 5: Solve for x
    x = 178,929/202.50
  6. Step 6: Final answer
    x = 883.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.