Home / 299,434.50-430,422.75

Finding the Third Proportional to 299,434.50 and 430,422.75

Calculator

Solution

The third proportional to 299,434.50 and 430,422.75 is: 618,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,434.50 : 430,422.75 = 430,422.75 : x
  2. Step 2: Convert to fraction form
    299,434.50/430,422.75 = 430,422.75/x
  3. Step 3: Cross multiply
    299,434.50x = 430,422.75 × 430,422.75
  4. Step 4: Simplify right side
    299,434.50x = 185,263,743,717.56
  5. Step 5: Solve for x
    x = 185,263,743,717.56/299,434.50
  6. Step 6: Final answer
    x = 618,712.08

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.