Home / 66,472-146,120

Finding the Third Proportional to 66,472 and 146,120

Calculator

Solution

The third proportional to 66,472 and 146,120 is: 321,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472 : 146,120 = 146,120 : x
  2. Step 2: Convert to fraction form
    66,472/146,120 = 146,120/x
  3. Step 3: Cross multiply
    66,472x = 146,120 × 146,120
  4. Step 4: Simplify right side
    66,472x = 21,351,054,400
  5. Step 5: Solve for x
    x = 21,351,054,400/66,472
  6. Step 6: Final answer
    x = 321,203.73

Related Problems

Find third proportional to 33,236 and 73,060
Half scale
Find third proportional to 132,944 and 292,240
Double scale
Find third proportional to 66,474 and 146,124
Similar ratio
Find third proportional to 99,708 and 219,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.