Home / 575-649

Finding the Third Proportional to 575 and 649

Calculator

Solution

The third proportional to 575 and 649 is: 732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    575 : 649 = 649 : x
  2. Step 2: Convert to fraction form
    575/649 = 649/x
  3. Step 3: Cross multiply
    575x = 649 × 649
  4. Step 4: Simplify right side
    575x = 421,201
  5. Step 5: Solve for x
    x = 421,201/575
  6. Step 6: Final answer
    x = 732.52

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.