Home / 134-317

Finding the Third Proportional to 134 and 317

Calculator

Solution

The third proportional to 134 and 317 is: 749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134 : 317 = 317 : x
  2. Step 2: Convert to fraction form
    134/317 = 317/x
  3. Step 3: Cross multiply
    134x = 317 × 317
  4. Step 4: Simplify right side
    134x = 100,489
  5. Step 5: Solve for x
    x = 100,489/134
  6. Step 6: Final answer
    x = 749.92

Related Problems

Find third proportional to 67 and 158.50
Half scale
Find third proportional to 268 and 634
Double scale
Find third proportional to 136 and 322
Similar ratio
Find third proportional to 201 and 475.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.