Home / 297,405,837-644,220,378

Finding the Third Proportional to 297,405,837 and 644,220,378

Calculator

Solution

The third proportional to 297,405,837 and 644,220,378 is: 1,395,466,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,405,837 : 644,220,378 = 644,220,378 : x
  2. Step 2: Convert to fraction form
    297,405,837/644,220,378 = 644,220,378/x
  3. Step 3: Cross multiply
    297,405,837x = 644,220,378 × 644,220,378
  4. Step 4: Simplify right side
    297,405,837x = 415,019,895,430,462,912
  5. Step 5: Solve for x
    x = 415,019,895,430,462,912/297,405,837
  6. Step 6: Final answer
    x = 1,395,466,543.69

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.