Home / 178.75-265.75

Finding the Third Proportional to 178.75 and 265.75

Calculator

Solution

The third proportional to 178.75 and 265.75 is: 395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.75 : 265.75 = 265.75 : x
  2. Step 2: Convert to fraction form
    178.75/265.75 = 265.75/x
  3. Step 3: Cross multiply
    178.75x = 265.75 × 265.75
  4. Step 4: Simplify right side
    178.75x = 70,623.06
  5. Step 5: Solve for x
    x = 70,623.06/178.75
  6. Step 6: Final answer
    x = 395.09

Related Problems

Find third proportional to 89.38 and 132.88
Half scale
Find third proportional to 357.50 and 531.50
Double scale
Find third proportional to 181 and 269
Similar ratio
Find third proportional to 268.13 and 398.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.