Home / 806.50-1,208.75

Finding the Third Proportional to 806.50 and 1,208.75

Calculator

Solution

The third proportional to 806.50 and 1,208.75 is: 1,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    806.50 : 1,208.75 = 1,208.75 : x
  2. Step 2: Convert to fraction form
    806.50/1,208.75 = 1,208.75/x
  3. Step 3: Cross multiply
    806.50x = 1,208.75 × 1,208.75
  4. Step 4: Simplify right side
    806.50x = 1,461,076.56
  5. Step 5: Solve for x
    x = 1,461,076.56/806.50
  6. Step 6: Final answer
    x = 1,811.63

Related Problems

Find third proportional to 403.25 and 604.38
Half scale
Find third proportional to 1,613 and 2,417.50
Double scale
Find third proportional to 809 and 1,212
Similar ratio
Find third proportional to 1,209.75 and 1,813.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.