Home / 97.25-213.75

Finding the Third Proportional to 97.25 and 213.75

Calculator

Solution

The third proportional to 97.25 and 213.75 is: 469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.25 : 213.75 = 213.75 : x
  2. Step 2: Convert to fraction form
    97.25/213.75 = 213.75/x
  3. Step 3: Cross multiply
    97.25x = 213.75 × 213.75
  4. Step 4: Simplify right side
    97.25x = 45,689.06
  5. Step 5: Solve for x
    x = 45,689.06/97.25
  6. Step 6: Final answer
    x = 469.81

Related Problems

Find third proportional to 48.63 and 106.88
Half scale
Find third proportional to 194.50 and 427.50
Double scale
Find third proportional to 99 and 218
Similar ratio
Find third proportional to 145.88 and 320.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.