Home / 138,479-198,028

Finding the Third Proportional to 138,479 and 198,028

Calculator

Solution

The third proportional to 138,479 and 198,028 is: 283,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,479 : 198,028 = 198,028 : x
  2. Step 2: Convert to fraction form
    138,479/198,028 = 198,028/x
  3. Step 3: Cross multiply
    138,479x = 198,028 × 198,028
  4. Step 4: Simplify right side
    138,479x = 39,215,088,784
  5. Step 5: Solve for x
    x = 39,215,088,784/138,479
  6. Step 6: Final answer
    x = 283,184.37

Related Problems

Find third proportional to 69,239.50 and 99,014
Half scale
Find third proportional to 276,958 and 396,056
Double scale
Find third proportional to 138,481 and 198,031
Similar ratio
Find third proportional to 207,718.50 and 297,042
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.