Home / 91.60-211.91

Finding the Third Proportional to 91.60 and 211.91

Calculator

Solution

The third proportional to 91.60 and 211.91 is: 490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91.60 : 211.91 = 211.91 : x
  2. Step 2: Convert to fraction form
    91.60/211.91 = 211.91/x
  3. Step 3: Cross multiply
    91.60x = 211.91 × 211.91
  4. Step 4: Simplify right side
    91.60x = 44,907.16
  5. Step 5: Solve for x
    x = 44,907.16/91.60
  6. Step 6: Final answer
    x = 490.25

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.