Home / 742.50-976.75

Finding the Third Proportional to 742.50 and 976.75

Calculator

Solution

The third proportional to 742.50 and 976.75 is: 1,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    742.50 : 976.75 = 976.75 : x
  2. Step 2: Convert to fraction form
    742.50/976.75 = 976.75/x
  3. Step 3: Cross multiply
    742.50x = 976.75 × 976.75
  4. Step 4: Simplify right side
    742.50x = 954,040.56
  5. Step 5: Solve for x
    x = 954,040.56/742.50
  6. Step 6: Final answer
    x = 1,284.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.