Home / 68,215.50-139,812

Finding the Third Proportional to 68,215.50 and 139,812

Calculator

Solution

The third proportional to 68,215.50 and 139,812 is: 286,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215.50 : 139,812 = 139,812 : x
  2. Step 2: Convert to fraction form
    68,215.50/139,812 = 139,812/x
  3. Step 3: Cross multiply
    68,215.50x = 139,812 × 139,812
  4. Step 4: Simplify right side
    68,215.50x = 19,547,395,344
  5. Step 5: Solve for x
    x = 19,547,395,344/68,215.50
  6. Step 6: Final answer
    x = 286,553.57

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.