Home / 66,756-146,028

Finding the Third Proportional to 66,756 and 146,028

Calculator

Solution

The third proportional to 66,756 and 146,028 is: 319,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756 : 146,028 = 146,028 : x
  2. Step 2: Convert to fraction form
    66,756/146,028 = 146,028/x
  3. Step 3: Cross multiply
    66,756x = 146,028 × 146,028
  4. Step 4: Simplify right side
    66,756x = 21,324,176,784
  5. Step 5: Solve for x
    x = 21,324,176,784/66,756
  6. Step 6: Final answer
    x = 319,434.61

Related Problems

Find third proportional to 33,378 and 73,014
Half scale
Find third proportional to 133,512 and 292,056
Double scale
Find third proportional to 66,758 and 146,032
Similar ratio
Find third proportional to 100,134 and 219,042
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.