Home / 133,028-285,740

Finding the Third Proportional to 133,028 and 285,740

Calculator

Solution

The third proportional to 133,028 and 285,740 is: 613,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028 : 285,740 = 285,740 : x
  2. Step 2: Convert to fraction form
    133,028/285,740 = 285,740/x
  3. Step 3: Cross multiply
    133,028x = 285,740 × 285,740
  4. Step 4: Simplify right side
    133,028x = 81,647,347,600
  5. Step 5: Solve for x
    x = 81,647,347,600/133,028
  6. Step 6: Final answer
    x = 613,760.62

Related Problems

Find third proportional to 66,514 and 142,870
Half scale
Find third proportional to 266,056 and 571,480
Double scale
Find third proportional to 133,030 and 285,744
Similar ratio
Find third proportional to 199,542 and 428,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.