Home / 255,719-383,578

Finding the Third Proportional to 255,719 and 383,578

Calculator

Solution

The third proportional to 255,719 and 383,578 is: 575,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,719 : 383,578 = 383,578 : x
  2. Step 2: Convert to fraction form
    255,719/383,578 = 383,578/x
  3. Step 3: Cross multiply
    255,719x = 383,578 × 383,578
  4. Step 4: Simplify right side
    255,719x = 147,132,082,084
  5. Step 5: Solve for x
    x = 147,132,082,084/255,719
  6. Step 6: Final answer
    x = 575,366.25

Related Problems

Find third proportional to 127,859.50 and 191,789
Half scale
Find third proportional to 511,438 and 767,156
Double scale
Find third proportional to 255,721 and 383,581
Similar ratio
Find third proportional to 383,578.50 and 575,367
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.