Home / 66,042-142,851

Finding the Third Proportional to 66,042 and 142,851

Calculator

Solution

The third proportional to 66,042 and 142,851 is: 308,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042 : 142,851 = 142,851 : x
  2. Step 2: Convert to fraction form
    66,042/142,851 = 142,851/x
  3. Step 3: Cross multiply
    66,042x = 142,851 × 142,851
  4. Step 4: Simplify right side
    66,042x = 20,406,408,201
  5. Step 5: Solve for x
    x = 20,406,408,201/66,042
  6. Step 6: Final answer
    x = 308,991.37

Related Problems

Find third proportional to 33,021 and 71,425.50
Half scale
Find third proportional to 132,084 and 285,702
Double scale
Find third proportional to 66,044 and 142,855
Similar ratio
Find third proportional to 99,063 and 214,276.50
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.