Home / 211,251.38-287,717.06

Finding the Third Proportional to 211,251.38 and 287,717.06

Calculator

Solution

The third proportional to 211,251.38 and 287,717.06 is: 391,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,251.38 : 287,717.06 = 287,717.06 : x
  2. Step 2: Convert to fraction form
    211,251.38/287,717.06 = 287,717.06/x
  3. Step 3: Cross multiply
    211,251.38x = 287,717.06 × 287,717.06
  4. Step 4: Simplify right side
    211,251.38x = 82,781,108,053.63
  5. Step 5: Solve for x
    x = 82,781,108,053.63/211,251.38
  6. Step 6: Final answer
    x = 391,860.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.