Home / 193.25-258.75

Finding the Third Proportional to 193.25 and 258.75

Calculator

Solution

The third proportional to 193.25 and 258.75 is: 346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.25 : 258.75 = 258.75 : x
  2. Step 2: Convert to fraction form
    193.25/258.75 = 258.75/x
  3. Step 3: Cross multiply
    193.25x = 258.75 × 258.75
  4. Step 4: Simplify right side
    193.25x = 66,951.56
  5. Step 5: Solve for x
    x = 66,951.56/193.25
  6. Step 6: Final answer
    x = 346.45

Related Problems

Find third proportional to 96.63 and 129.38
Half scale
Find third proportional to 386.50 and 517.50
Double scale
Find third proportional to 195 and 261
Similar ratio
Find third proportional to 289.88 and 388.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.