Home / 300,828-451,307

Finding the Third Proportional to 300,828 and 451,307

Calculator

Solution

The third proportional to 300,828 and 451,307 is: 677,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,828 : 451,307 = 451,307 : x
  2. Step 2: Convert to fraction form
    300,828/451,307 = 451,307/x
  3. Step 3: Cross multiply
    300,828x = 451,307 × 451,307
  4. Step 4: Simplify right side
    300,828x = 203,678,008,249
  5. Step 5: Solve for x
    x = 203,678,008,249/300,828
  6. Step 6: Final answer
    x = 677,058.01

Related Problems

Find third proportional to 150,414 and 225,653.50
Half scale
Find third proportional to 601,656 and 902,614
Double scale
Find third proportional to 300,830 and 451,310
Similar ratio
Find third proportional to 451,242 and 676,960.50
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.