Home / 97.50-174.75

Finding the Third Proportional to 97.50 and 174.75

Calculator

Solution

The third proportional to 97.50 and 174.75 is: 313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.50 : 174.75 = 174.75 : x
  2. Step 2: Convert to fraction form
    97.50/174.75 = 174.75/x
  3. Step 3: Cross multiply
    97.50x = 174.75 × 174.75
  4. Step 4: Simplify right side
    97.50x = 30,537.56
  5. Step 5: Solve for x
    x = 30,537.56/97.50
  6. Step 6: Final answer
    x = 313.21

Related Problems

Find third proportional to 48.75 and 87.38
Half scale
Find third proportional to 195 and 349.50
Double scale
Find third proportional to 100 and 178
Similar ratio
Find third proportional to 146.25 and 262.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.