Home / 311,569.50-677,812.50

Finding the Third Proportional to 311,569.50 and 677,812.50

Calculator

Solution

The third proportional to 311,569.50 and 677,812.50 is: 1,474,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,569.50 : 677,812.50 = 677,812.50 : x
  2. Step 2: Convert to fraction form
    311,569.50/677,812.50 = 677,812.50/x
  3. Step 3: Cross multiply
    311,569.50x = 677,812.50 × 677,812.50
  4. Step 4: Simplify right side
    311,569.50x = 459,429,785,156.25
  5. Step 5: Solve for x
    x = 459,429,785,156.25/311,569.50
  6. Step 6: Final answer
    x = 1,474,565.98

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.