Home / 378,666-810,525

Finding the Third Proportional to 378,666 and 810,525

Calculator

Solution

The third proportional to 378,666 and 810,525 is: 1,734,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,666 : 810,525 = 810,525 : x
  2. Step 2: Convert to fraction form
    378,666/810,525 = 810,525/x
  3. Step 3: Cross multiply
    378,666x = 810,525 × 810,525
  4. Step 4: Simplify right side
    378,666x = 656,950,775,625
  5. Step 5: Solve for x
    x = 656,950,775,625/378,666
  6. Step 6: Final answer
    x = 1,734,908.27

Related Problems

Find third proportional to 189,333 and 405,262.50
Half scale
Find third proportional to 757,332 and 1,621,050
Double scale
Find third proportional to 378,668 and 810,529
Similar ratio
Find third proportional to 567,999 and 1,215,787.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.