Home / 237.50-317

Finding the Third Proportional to 237.50 and 317

Calculator

Solution

The third proportional to 237.50 and 317 is: 423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.50 : 317 = 317 : x
  2. Step 2: Convert to fraction form
    237.50/317 = 317/x
  3. Step 3: Cross multiply
    237.50x = 317 × 317
  4. Step 4: Simplify right side
    237.50x = 100,489
  5. Step 5: Solve for x
    x = 100,489/237.50
  6. Step 6: Final answer
    x = 423.11

Related Problems

Find third proportional to 118.75 and 158.50
Half scale
Find third proportional to 475 and 634
Double scale
Find third proportional to 240 and 320
Similar ratio
Find third proportional to 356.25 and 475.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.