Home / 299,707.88-642,165.75

Finding the Third Proportional to 299,707.88 and 642,165.75

Calculator

Solution

The third proportional to 299,707.88 and 642,165.75 is: 1,375,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,707.88 : 642,165.75 = 642,165.75 : x
  2. Step 2: Convert to fraction form
    299,707.88/642,165.75 = 642,165.75/x
  3. Step 3: Cross multiply
    299,707.88x = 642,165.75 × 642,165.75
  4. Step 4: Simplify right side
    299,707.88x = 412,376,850,473.06
  5. Step 5: Solve for x
    x = 412,376,850,473.06/299,707.88
  6. Step 6: Final answer
    x = 1,375,929.31

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.