Home / 318,075.75-685,968.75

Finding the Third Proportional to 318,075.75 and 685,968.75

Calculator

Solution

The third proportional to 318,075.75 and 685,968.75 is: 1,479,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,075.75 : 685,968.75 = 685,968.75 : x
  2. Step 2: Convert to fraction form
    318,075.75/685,968.75 = 685,968.75/x
  3. Step 3: Cross multiply
    318,075.75x = 685,968.75 × 685,968.75
  4. Step 4: Simplify right side
    318,075.75x = 470,553,125,976.56
  5. Step 5: Solve for x
    x = 470,553,125,976.56/318,075.75
  6. Step 6: Final answer
    x = 1,479,374.41

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.