Home / 255,740-378,652

Finding the Third Proportional to 255,740 and 378,652

Calculator

Solution

The third proportional to 255,740 and 378,652 is: 560,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,740 : 378,652 = 378,652 : x
  2. Step 2: Convert to fraction form
    255,740/378,652 = 378,652/x
  3. Step 3: Cross multiply
    255,740x = 378,652 × 378,652
  4. Step 4: Simplify right side
    255,740x = 143,377,337,104
  5. Step 5: Solve for x
    x = 143,377,337,104/255,740
  6. Step 6: Final answer
    x = 560,637.12

Related Problems

Find third proportional to 127,870 and 189,326
Half scale
Find third proportional to 511,480 and 757,304
Double scale
Find third proportional to 255,742 and 378,655
Similar ratio
Find third proportional to 383,610 and 567,978
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.