Home / 266,835.20-412,721.89

Finding the Third Proportional to 266,835.20 and 412,721.89

Calculator

Solution

The third proportional to 266,835.20 and 412,721.89 is: 638,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,835.20 : 412,721.89 = 412,721.89 : x
  2. Step 2: Convert to fraction form
    266,835.20/412,721.89 = 412,721.89/x
  3. Step 3: Cross multiply
    266,835.20x = 412,721.89 × 412,721.89
  4. Step 4: Simplify right side
    266,835.20x = 170,339,362,225.46
  5. Step 5: Solve for x
    x = 170,339,362,225.46/266,835.20
  6. Step 6: Final answer
    x = 638,369.16

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.