Home / 23.81-64.13

Finding the Third Proportional to 23.81 and 64.13

Calculator

Solution

The third proportional to 23.81 and 64.13 is: 172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.81 : 64.13 = 64.13 : x
  2. Step 2: Convert to fraction form
    23.81/64.13 = 64.13/x
  3. Step 3: Cross multiply
    23.81x = 64.13 × 64.13
  4. Step 4: Simplify right side
    23.81x = 4,112.02
  5. Step 5: Solve for x
    x = 4,112.02/23.81
  6. Step 6: Final answer
    x = 172.68

Related Problems

Find third proportional to 11.91 and 32.06
Half scale
Find third proportional to 47.63 and 128.25
Double scale
Find third proportional to 26 and 70
Similar ratio
Find third proportional to 35.72 and 96.19
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.