Home / 78,042-165,807

Finding the Third Proportional to 78,042 and 165,807

Calculator

Solution

The third proportional to 78,042 and 165,807 is: 352,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,042 : 165,807 = 165,807 : x
  2. Step 2: Convert to fraction form
    78,042/165,807 = 165,807/x
  3. Step 3: Cross multiply
    78,042x = 165,807 × 165,807
  4. Step 4: Simplify right side
    78,042x = 27,491,961,249
  5. Step 5: Solve for x
    x = 27,491,961,249/78,042
  6. Step 6: Final answer
    x = 352,271.36

Related Problems

Find third proportional to 39,021 and 82,903.50
Half scale
Find third proportional to 156,084 and 331,614
Double scale
Find third proportional to 78,044 and 165,811
Similar ratio
Find third proportional to 117,063 and 248,710.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.