Home / 175.61-216.42

Finding the Third Proportional to 175.61 and 216.42

Calculator

Solution

The third proportional to 175.61 and 216.42 is: 266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.61 : 216.42 = 216.42 : x
  2. Step 2: Convert to fraction form
    175.61/216.42 = 216.42/x
  3. Step 3: Cross multiply
    175.61x = 216.42 × 216.42
  4. Step 4: Simplify right side
    175.61x = 46,838.43
  5. Step 5: Solve for x
    x = 46,838.43/175.61
  6. Step 6: Final answer
    x = 266.73

Related Problems

Find third proportional to 87.80 and 108.21
Half scale
Find third proportional to 351.21 and 432.84
Double scale
Find third proportional to 178 and 219
Similar ratio
Find third proportional to 263.41 and 324.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.