Home / 66,177-142,722

Finding the Third Proportional to 66,177 and 142,722

Calculator

Solution

The third proportional to 66,177 and 142,722 is: 307,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,177 : 142,722 = 142,722 : x
  2. Step 2: Convert to fraction form
    66,177/142,722 = 142,722/x
  3. Step 3: Cross multiply
    66,177x = 142,722 × 142,722
  4. Step 4: Simplify right side
    66,177x = 20,369,569,284
  5. Step 5: Solve for x
    x = 20,369,569,284/66,177
  6. Step 6: Final answer
    x = 307,804.36

Related Problems

Find third proportional to 33,088.50 and 71,361
Half scale
Find third proportional to 132,354 and 285,444
Double scale
Find third proportional to 66,179 and 142,726
Similar ratio
Find third proportional to 99,265.50 and 214,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.