Home / 142,538-225,687

Finding the Third Proportional to 142,538 and 225,687

Calculator

Solution

The third proportional to 142,538 and 225,687 is: 357,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,538 : 225,687 = 225,687 : x
  2. Step 2: Convert to fraction form
    142,538/225,687 = 225,687/x
  3. Step 3: Cross multiply
    142,538x = 225,687 × 225,687
  4. Step 4: Simplify right side
    142,538x = 50,934,621,969
  5. Step 5: Solve for x
    x = 50,934,621,969/142,538
  6. Step 6: Final answer
    x = 357,340.65

Related Problems

Find third proportional to 71,269 and 112,843.50
Half scale
Find third proportional to 285,076 and 451,374
Double scale
Find third proportional to 142,540 and 225,690
Similar ratio
Find third proportional to 213,807 and 338,530.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.