Home / 449-978.50

Finding the Third Proportional to 449 and 978.50

Calculator

Solution

The third proportional to 449 and 978.50 is: 2,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449 : 978.50 = 978.50 : x
  2. Step 2: Convert to fraction form
    449/978.50 = 978.50/x
  3. Step 3: Cross multiply
    449x = 978.50 × 978.50
  4. Step 4: Simplify right side
    449x = 957,462.25
  5. Step 5: Solve for x
    x = 957,462.25/449
  6. Step 6: Final answer
    x = 2,132.43

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.