Home / 827.50-1,807

Finding the Third Proportional to 827.50 and 1,807

Calculator

Solution

The third proportional to 827.50 and 1,807 is: 3,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    827.50 : 1,807 = 1,807 : x
  2. Step 2: Convert to fraction form
    827.50/1,807 = 1,807/x
  3. Step 3: Cross multiply
    827.50x = 1,807 × 1,807
  4. Step 4: Simplify right side
    827.50x = 3,265,249
  5. Step 5: Solve for x
    x = 3,265,249/827.50
  6. Step 6: Final answer
    x = 3,945.92

Related Problems

Find third proportional to 413.75 and 903.50
Half scale
Find third proportional to 1,655 and 3,614
Double scale
Find third proportional to 830 and 1,811
Similar ratio
Find third proportional to 1,241.25 and 2,710.50
1.5x scale

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.