Home / 317-587

Finding the Third Proportional to 317 and 587

Calculator

Solution

The third proportional to 317 and 587 is: 1,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317 : 587 = 587 : x
  2. Step 2: Convert to fraction form
    317/587 = 587/x
  3. Step 3: Cross multiply
    317x = 587 × 587
  4. Step 4: Simplify right side
    317x = 344,569
  5. Step 5: Solve for x
    x = 344,569/317
  6. Step 6: Final answer
    x = 1,086.97

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.