Home / 300,707,464.50-478,489,456.50

Finding the Third Proportional to 300,707,464.50 and 478,489,456.50

Calculator

Solution

The third proportional to 300,707,464.50 and 478,489,456.50 is: 761,378,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,707,464.50 : 478,489,456.50 = 478,489,456.50 : x
  2. Step 2: Convert to fraction form
    300,707,464.50/478,489,456.50 = 478,489,456.50/x
  3. Step 3: Cross multiply
    300,707,464.50x = 478,489,456.50 × 478,489,456.50
  4. Step 4: Simplify right side
    300,707,464.50x = 228,952,159,981,665,408
  5. Step 5: Solve for x
    x = 228,952,159,981,665,408/300,707,464.50
  6. Step 6: Final answer
    x = 761,378,372.71

Related Problems

Find third proportional to 150,353,732.25 and 239,244,728.25
Half scale
Find third proportional to 601,414,929 and 956,978,913
Double scale
Find third proportional to 300,707,467 and 478,489,460
Similar ratio
Find third proportional to 451,061,196.75 and 717,734,184.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.