Home / 138,558-202,902

Finding the Third Proportional to 138,558 and 202,902

Calculator

Solution

The third proportional to 138,558 and 202,902 is: 297,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,558 : 202,902 = 202,902 : x
  2. Step 2: Convert to fraction form
    138,558/202,902 = 202,902/x
  3. Step 3: Cross multiply
    138,558x = 202,902 × 202,902
  4. Step 4: Simplify right side
    138,558x = 41,169,221,604
  5. Step 5: Solve for x
    x = 41,169,221,604/138,558
  6. Step 6: Final answer
    x = 297,126.27

Related Problems

Find third proportional to 69,279 and 101,451
Half scale
Find third proportional to 277,116 and 405,804
Double scale
Find third proportional to 138,560 and 202,905
Similar ratio
Find third proportional to 207,837 and 304,353
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.