Home / 91.13-145.13

Finding the Third Proportional to 91.13 and 145.13

Calculator

Solution

The third proportional to 91.13 and 145.13 is: 231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91.13 : 145.13 = 145.13 : x
  2. Step 2: Convert to fraction form
    91.13/145.13 = 145.13/x
  3. Step 3: Cross multiply
    91.13x = 145.13 × 145.13
  4. Step 4: Simplify right side
    91.13x = 21,061.27
  5. Step 5: Solve for x
    x = 21,061.27/91.13
  6. Step 6: Final answer
    x = 231.13

Related Problems

Find third proportional to 45.56 and 72.56
Half scale
Find third proportional to 182.25 and 290.25
Double scale
Find third proportional to 93 and 148
Similar ratio
Find third proportional to 136.69 and 217.69
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.