Home / 255,974-558,530

Finding the Third Proportional to 255,974 and 558,530

Calculator

Solution

The third proportional to 255,974 and 558,530 is: 1,218,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,974 : 558,530 = 558,530 : x
  2. Step 2: Convert to fraction form
    255,974/558,530 = 558,530/x
  3. Step 3: Cross multiply
    255,974x = 558,530 × 558,530
  4. Step 4: Simplify right side
    255,974x = 311,955,760,900
  5. Step 5: Solve for x
    x = 311,955,760,900/255,974
  6. Step 6: Final answer
    x = 1,218,700.97

Related Problems

Find third proportional to 127,987 and 279,265
Half scale
Find third proportional to 511,948 and 1,117,060
Double scale
Find third proportional to 255,976 and 558,534
Similar ratio
Find third proportional to 383,961 and 837,795
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.