Home / 378,366-812,496

Finding the Third Proportional to 378,366 and 812,496

Calculator

Solution

The third proportional to 378,366 and 812,496 is: 1,744,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,366 : 812,496 = 812,496 : x
  2. Step 2: Convert to fraction form
    378,366/812,496 = 812,496/x
  3. Step 3: Cross multiply
    378,366x = 812,496 × 812,496
  4. Step 4: Simplify right side
    378,366x = 660,149,750,016
  5. Step 5: Solve for x
    x = 660,149,750,016/378,366
  6. Step 6: Final answer
    x = 1,744,738.56

Related Problems

Find third proportional to 189,183 and 406,248
Half scale
Find third proportional to 756,732 and 1,624,992
Double scale
Find third proportional to 378,368 and 812,500
Similar ratio
Find third proportional to 567,549 and 1,218,744
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.