Home / 248,556-388,830

Finding the Third Proportional to 248,556 and 388,830

Calculator

Solution

The third proportional to 248,556 and 388,830 is: 608,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,556 : 388,830 = 388,830 : x
  2. Step 2: Convert to fraction form
    248,556/388,830 = 388,830/x
  3. Step 3: Cross multiply
    248,556x = 388,830 × 388,830
  4. Step 4: Simplify right side
    248,556x = 151,188,768,900
  5. Step 5: Solve for x
    x = 151,188,768,900/248,556
  6. Step 6: Final answer
    x = 608,268.43

Related Problems

Find third proportional to 124,278 and 194,415
Half scale
Find third proportional to 497,112 and 777,660
Double scale
Find third proportional to 248,558 and 388,833
Similar ratio
Find third proportional to 372,834 and 583,245
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.