Home / 138,578-202,683

Finding the Third Proportional to 138,578 and 202,683

Calculator

Solution

The third proportional to 138,578 and 202,683 is: 296,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,578 : 202,683 = 202,683 : x
  2. Step 2: Convert to fraction form
    138,578/202,683 = 202,683/x
  3. Step 3: Cross multiply
    138,578x = 202,683 × 202,683
  4. Step 4: Simplify right side
    138,578x = 41,080,398,489
  5. Step 5: Solve for x
    x = 41,080,398,489/138,578
  6. Step 6: Final answer
    x = 296,442.43

Related Problems

Find third proportional to 69,289 and 101,341.50
Half scale
Find third proportional to 277,156 and 405,366
Double scale
Find third proportional to 138,580 and 202,686
Similar ratio
Find third proportional to 207,867 and 304,024.50
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.