Home / 255,784-400,374

Finding the Third Proportional to 255,784 and 400,374

Calculator

Solution

The third proportional to 255,784 and 400,374 is: 626,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,784 : 400,374 = 400,374 : x
  2. Step 2: Convert to fraction form
    255,784/400,374 = 400,374/x
  3. Step 3: Cross multiply
    255,784x = 400,374 × 400,374
  4. Step 4: Simplify right side
    255,784x = 160,299,339,876
  5. Step 5: Solve for x
    x = 160,299,339,876/255,784
  6. Step 6: Final answer
    x = 626,698.07

Related Problems

Find third proportional to 127,892 and 200,187
Half scale
Find third proportional to 511,568 and 800,748
Double scale
Find third proportional to 255,786 and 400,377
Similar ratio
Find third proportional to 383,676 and 600,561
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.