Home / 298,100-638,856

Finding the Third Proportional to 298,100 and 638,856

Calculator

Solution

The third proportional to 298,100 and 638,856 is: 1,369,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,100 : 638,856 = 638,856 : x
  2. Step 2: Convert to fraction form
    298,100/638,856 = 638,856/x
  3. Step 3: Cross multiply
    298,100x = 638,856 × 638,856
  4. Step 4: Simplify right side
    298,100x = 408,136,988,736
  5. Step 5: Solve for x
    x = 408,136,988,736/298,100
  6. Step 6: Final answer
    x = 1,369,127.77

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.