Home / 305,975-430,119

Finding the Third Proportional to 305,975 and 430,119

Calculator

Solution

The third proportional to 305,975 and 430,119 is: 604,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,975 : 430,119 = 430,119 : x
  2. Step 2: Convert to fraction form
    305,975/430,119 = 430,119/x
  3. Step 3: Cross multiply
    305,975x = 430,119 × 430,119
  4. Step 4: Simplify right side
    305,975x = 185,002,354,161
  5. Step 5: Solve for x
    x = 185,002,354,161/305,975
  6. Step 6: Final answer
    x = 604,632.25

Related Problems

Find third proportional to 152,987.50 and 215,059.50
Half scale
Find third proportional to 611,950 and 860,238
Double scale
Find third proportional to 305,977 and 430,122
Similar ratio
Find third proportional to 458,962.50 and 645,178.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.