Home / 140,747-218,261

Finding the Third Proportional to 140,747 and 218,261

Calculator

Solution

The third proportional to 140,747 and 218,261 is: 338,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,747 : 218,261 = 218,261 : x
  2. Step 2: Convert to fraction form
    140,747/218,261 = 218,261/x
  3. Step 3: Cross multiply
    140,747x = 218,261 × 218,261
  4. Step 4: Simplify right side
    140,747x = 47,637,864,121
  5. Step 5: Solve for x
    x = 47,637,864,121/140,747
  6. Step 6: Final answer
    x = 338,464.51

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.