Home / 317.50-560

Finding the Third Proportional to 317.50 and 560

Calculator

Solution

The third proportional to 317.50 and 560 is: 987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.50 : 560 = 560 : x
  2. Step 2: Convert to fraction form
    317.50/560 = 560/x
  3. Step 3: Cross multiply
    317.50x = 560 × 560
  4. Step 4: Simplify right side
    317.50x = 313,600
  5. Step 5: Solve for x
    x = 313,600/317.50
  6. Step 6: Final answer
    x = 987.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.