Home / 130-175.25

Finding the Third Proportional to 130 and 175.25

Calculator

Solution

The third proportional to 130 and 175.25 is: 236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130 : 175.25 = 175.25 : x
  2. Step 2: Convert to fraction form
    130/175.25 = 175.25/x
  3. Step 3: Cross multiply
    130x = 175.25 × 175.25
  4. Step 4: Simplify right side
    130x = 30,712.56
  5. Step 5: Solve for x
    x = 30,712.56/130
  6. Step 6: Final answer
    x = 236.25

Related Problems

Find third proportional to 65 and 87.63
Half scale
Find third proportional to 260 and 350.50
Double scale
Find third proportional to 132 and 178
Similar ratio
Find third proportional to 195 and 262.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.