Home / 508,736-809,811

Finding the Third Proportional to 508,736 and 809,811

Calculator

Solution

The third proportional to 508,736 and 809,811 is: 1,289,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,736 : 809,811 = 809,811 : x
  2. Step 2: Convert to fraction form
    508,736/809,811 = 809,811/x
  3. Step 3: Cross multiply
    508,736x = 809,811 × 809,811
  4. Step 4: Simplify right side
    508,736x = 655,793,855,721
  5. Step 5: Solve for x
    x = 655,793,855,721/508,736
  6. Step 6: Final answer
    x = 1,289,065.16

Related Problems

Find third proportional to 254,368 and 404,905.50
Half scale
Find third proportional to 1,017,472 and 1,619,622
Double scale
Find third proportional to 508,738 and 809,814
Similar ratio
Find third proportional to 763,104 and 1,214,716.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.