Home / 298,139-446,028

Finding the Third Proportional to 298,139 and 446,028

Calculator

Solution

The third proportional to 298,139 and 446,028 is: 667,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,139 : 446,028 = 446,028 : x
  2. Step 2: Convert to fraction form
    298,139/446,028 = 446,028/x
  3. Step 3: Cross multiply
    298,139x = 446,028 × 446,028
  4. Step 4: Simplify right side
    298,139x = 198,940,976,784
  5. Step 5: Solve for x
    x = 198,940,976,784/298,139
  6. Step 6: Final answer
    x = 667,275.92

Related Problems

Find third proportional to 149,069.50 and 223,014
Half scale
Find third proportional to 596,278 and 892,056
Double scale
Find third proportional to 298,141 and 446,031
Similar ratio
Find third proportional to 447,208.50 and 669,042
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.