Home / 206,439.75-290,714.63

Finding the Third Proportional to 206,439.75 and 290,714.63

Calculator

Solution

The third proportional to 206,439.75 and 290,714.63 is: 409,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,439.75 : 290,714.63 = 290,714.63 : x
  2. Step 2: Convert to fraction form
    206,439.75/290,714.63 = 290,714.63/x
  3. Step 3: Cross multiply
    206,439.75x = 290,714.63 × 290,714.63
  4. Step 4: Simplify right side
    206,439.75x = 84,514,993,188.89
  5. Step 5: Solve for x
    x = 84,514,993,188.89/206,439.75
  6. Step 6: Final answer
    x = 409,393.02

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.