Home / 539,786-809,787

Finding the Third Proportional to 539,786 and 809,787

Calculator

Solution

The third proportional to 539,786 and 809,787 is: 1,214,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,786 : 809,787 = 809,787 : x
  2. Step 2: Convert to fraction form
    539,786/809,787 = 809,787/x
  3. Step 3: Cross multiply
    539,786x = 809,787 × 809,787
  4. Step 4: Simplify right side
    539,786x = 655,754,985,369
  5. Step 5: Solve for x
    x = 655,754,985,369/539,786
  6. Step 6: Final answer
    x = 1,214,842.52

Related Problems

Find third proportional to 269,893 and 404,893.50
Half scale
Find third proportional to 1,079,572 and 1,619,574
Double scale
Find third proportional to 539,788 and 809,790
Similar ratio
Find third proportional to 809,679 and 1,214,680.50
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.