Home / 62.25-134.81

Finding the Third Proportional to 62.25 and 134.81

Calculator

Solution

The third proportional to 62.25 and 134.81 is: 291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.25 : 134.81 = 134.81 : x
  2. Step 2: Convert to fraction form
    62.25/134.81 = 134.81/x
  3. Step 3: Cross multiply
    62.25x = 134.81 × 134.81
  4. Step 4: Simplify right side
    62.25x = 18,174.41
  5. Step 5: Solve for x
    x = 18,174.41/62.25
  6. Step 6: Final answer
    x = 291.96

Related Problems

Find third proportional to 31.13 and 67.41
Half scale
Find third proportional to 124.50 and 269.63
Double scale
Find third proportional to 64 and 139
Similar ratio
Find third proportional to 93.38 and 202.22
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.