Home / 303,759-391,974.75

Finding the Third Proportional to 303,759 and 391,974.75

Calculator

Solution

The third proportional to 303,759 and 391,974.75 is: 505,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,759 : 391,974.75 = 391,974.75 : x
  2. Step 2: Convert to fraction form
    303,759/391,974.75 = 391,974.75/x
  3. Step 3: Cross multiply
    303,759x = 391,974.75 × 391,974.75
  4. Step 4: Simplify right side
    303,759x = 153,644,204,637.56
  5. Step 5: Solve for x
    x = 153,644,204,637.56/303,759
  6. Step 6: Final answer
    x = 505,809.56

Related Problems

Find third proportional to 151,879.50 and 195,987.38
Half scale
Find third proportional to 607,518 and 783,949.50
Double scale
Find third proportional to 303,761 and 391,977
Similar ratio
Find third proportional to 455,638.50 and 587,962.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.