Home / 551,976-809,784

Finding the Third Proportional to 551,976 and 809,784

Calculator

Solution

The third proportional to 551,976 and 809,784 is: 1,188,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,976 : 809,784 = 809,784 : x
  2. Step 2: Convert to fraction form
    551,976/809,784 = 809,784/x
  3. Step 3: Cross multiply
    551,976x = 809,784 × 809,784
  4. Step 4: Simplify right side
    551,976x = 655,750,126,656
  5. Step 5: Solve for x
    x = 655,750,126,656/551,976
  6. Step 6: Final answer
    x = 1,188,004.78

Related Problems

Find third proportional to 275,988 and 404,892
Half scale
Find third proportional to 1,103,952 and 1,619,568
Double scale
Find third proportional to 551,978 and 809,787
Similar ratio
Find third proportional to 827,964 and 1,214,676
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.