Home / 111,721-239,440

Finding the Third Proportional to 111,721 and 239,440

Calculator

Solution

The third proportional to 111,721 and 239,440 is: 513,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,721 : 239,440 = 239,440 : x
  2. Step 2: Convert to fraction form
    111,721/239,440 = 239,440/x
  3. Step 3: Cross multiply
    111,721x = 239,440 × 239,440
  4. Step 4: Simplify right side
    111,721x = 57,331,513,600
  5. Step 5: Solve for x
    x = 57,331,513,600/111,721
  6. Step 6: Final answer
    x = 513,166.85

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.