Home / 442,990.13-664,340.63

Finding the Third Proportional to 442,990.13 and 664,340.63

Calculator

Solution

The third proportional to 442,990.13 and 664,340.63 is: 996,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,990.13 : 664,340.63 = 664,340.63 : x
  2. Step 2: Convert to fraction form
    442,990.13/664,340.63 = 664,340.63/x
  3. Step 3: Cross multiply
    442,990.13x = 664,340.63 × 664,340.63
  4. Step 4: Simplify right side
    442,990.13x = 441,348,466,025.39
  5. Step 5: Solve for x
    x = 441,348,466,025.39/442,990.13
  6. Step 6: Final answer
    x = 996,294.14

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.