Home / 350,953.50-387,858.75

Finding the Third Proportional to 350,953.50 and 387,858.75

Calculator

Solution

The third proportional to 350,953.50 and 387,858.75 is: 428,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,953.50 : 387,858.75 = 387,858.75 : x
  2. Step 2: Convert to fraction form
    350,953.50/387,858.75 = 387,858.75/x
  3. Step 3: Cross multiply
    350,953.50x = 387,858.75 × 387,858.75
  4. Step 4: Simplify right side
    350,953.50x = 150,434,409,951.56
  5. Step 5: Solve for x
    x = 150,434,409,951.56/350,953.50
  6. Step 6: Final answer
    x = 428,644.85

Related Problems

Find third proportional to 175,476.75 and 193,929.38
Half scale
Find third proportional to 701,907 and 775,717.50
Double scale
Find third proportional to 350,956 and 387,861
Similar ratio
Find third proportional to 526,430.25 and 581,788.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.