Home / 470.50-979.50

Finding the Third Proportional to 470.50 and 979.50

Calculator

Solution

The third proportional to 470.50 and 979.50 is: 2,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.50 : 979.50 = 979.50 : x
  2. Step 2: Convert to fraction form
    470.50/979.50 = 979.50/x
  3. Step 3: Cross multiply
    470.50x = 979.50 × 979.50
  4. Step 4: Simplify right side
    470.50x = 959,420.25
  5. Step 5: Solve for x
    x = 959,420.25/470.50
  6. Step 6: Final answer
    x = 2,039.15

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.