Home / 176.55-268.63

Finding the Third Proportional to 176.55 and 268.63

Calculator

Solution

The third proportional to 176.55 and 268.63 is: 408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.55 : 268.63 = 268.63 : x
  2. Step 2: Convert to fraction form
    176.55/268.63 = 268.63/x
  3. Step 3: Cross multiply
    176.55x = 268.63 × 268.63
  4. Step 4: Simplify right side
    176.55x = 72,161.49
  5. Step 5: Solve for x
    x = 72,161.49/176.55
  6. Step 6: Final answer
    x = 408.72

Related Problems

Find third proportional to 88.28 and 134.31
Half scale
Find third proportional to 353.11 and 537.26
Double scale
Find third proportional to 179 and 272
Similar ratio
Find third proportional to 264.83 and 402.94
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.