Home / 73.25-157.75

Finding the Third Proportional to 73.25 and 157.75

Calculator

Solution

The third proportional to 73.25 and 157.75 is: 339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.25 : 157.75 = 157.75 : x
  2. Step 2: Convert to fraction form
    73.25/157.75 = 157.75/x
  3. Step 3: Cross multiply
    73.25x = 157.75 × 157.75
  4. Step 4: Simplify right side
    73.25x = 24,885.06
  5. Step 5: Solve for x
    x = 24,885.06/73.25
  6. Step 6: Final answer
    x = 339.73

Related Problems

Find third proportional to 36.63 and 78.88
Half scale
Find third proportional to 146.50 and 315.50
Double scale
Find third proportional to 75 and 162
Similar ratio
Find third proportional to 109.88 and 236.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.