Home / 86,042-129,099

Finding the Third Proportional to 86,042 and 129,099

Calculator

Solution

The third proportional to 86,042 and 129,099 is: 193,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,042 : 129,099 = 129,099 : x
  2. Step 2: Convert to fraction form
    86,042/129,099 = 129,099/x
  3. Step 3: Cross multiply
    86,042x = 129,099 × 129,099
  4. Step 4: Simplify right side
    86,042x = 16,666,551,801
  5. Step 5: Solve for x
    x = 16,666,551,801/86,042
  6. Step 6: Final answer
    x = 193,702.52

Related Problems

Find third proportional to 43,021 and 64,549.50
Half scale
Find third proportional to 172,084 and 258,198
Double scale
Find third proportional to 86,044 and 129,102
Similar ratio
Find third proportional to 129,063 and 193,648.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.