Home / 8,642,380.50-18,879,327

Finding the Third Proportional to 8,642,380.50 and 18,879,327

Calculator

Solution

The third proportional to 8,642,380.50 and 18,879,327 is: 41,241,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,380.50 : 18,879,327 = 18,879,327 : x
  2. Step 2: Convert to fraction form
    8,642,380.50/18,879,327 = 18,879,327/x
  3. Step 3: Cross multiply
    8,642,380.50x = 18,879,327 × 18,879,327
  4. Step 4: Simplify right side
    8,642,380.50x = 356,428,987,972,929
  5. Step 5: Solve for x
    x = 356,428,987,972,929/8,642,380.50
  6. Step 6: Final answer
    x = 41,241,992.06

Related Problems

Find third proportional to 4,321,190.25 and 9,439,663.50
Half scale
Find third proportional to 17,284,761 and 37,758,654
Double scale
Find third proportional to 8,642,383 and 18,879,331
Similar ratio
Find third proportional to 12,963,570.75 and 28,318,990.50
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.