Home / 300,393-450,649.50

Finding the Third Proportional to 300,393 and 450,649.50

Calculator

Solution

The third proportional to 300,393 and 450,649.50 is: 676,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,393 : 450,649.50 = 450,649.50 : x
  2. Step 2: Convert to fraction form
    300,393/450,649.50 = 450,649.50/x
  3. Step 3: Cross multiply
    300,393x = 450,649.50 × 450,649.50
  4. Step 4: Simplify right side
    300,393x = 203,084,971,850.25
  5. Step 5: Solve for x
    x = 203,084,971,850.25/300,393
  6. Step 6: Final answer
    x = 676,064.26

Related Problems

Find third proportional to 150,196.50 and 225,324.75
Half scale
Find third proportional to 600,786 and 901,299
Double scale
Find third proportional to 300,395 and 450,653
Similar ratio
Find third proportional to 450,589.50 and 675,974.25
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.