Home / 396,690.75-714,646.13

Finding the Third Proportional to 396,690.75 and 714,646.13

Calculator

Solution

The third proportional to 396,690.75 and 714,646.13 is: 1,287,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,690.75 : 714,646.13 = 714,646.13 : x
  2. Step 2: Convert to fraction form
    396,690.75/714,646.13 = 714,646.13/x
  3. Step 3: Cross multiply
    396,690.75x = 714,646.13 × 714,646.13
  4. Step 4: Simplify right side
    396,690.75x = 510,719,083,977.52
  5. Step 5: Solve for x
    x = 510,719,083,977.52/396,690.75
  6. Step 6: Final answer
    x = 1,287,448.94

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.