Home / 815,379-1,729,416

Finding the Third Proportional to 815,379 and 1,729,416

Calculator

Solution

The third proportional to 815,379 and 1,729,416 is: 3,668,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,379 : 1,729,416 = 1,729,416 : x
  2. Step 2: Convert to fraction form
    815,379/1,729,416 = 1,729,416/x
  3. Step 3: Cross multiply
    815,379x = 1,729,416 × 1,729,416
  4. Step 4: Simplify right side
    815,379x = 2,990,879,701,056
  5. Step 5: Solve for x
    x = 2,990,879,701,056/815,379
  6. Step 6: Final answer
    x = 3,668,085.27

Related Problems

Find third proportional to 407,689.50 and 864,708
Half scale
Find third proportional to 1,630,758 and 3,458,832
Double scale
Find third proportional to 815,381 and 1,729,420
Similar ratio
Find third proportional to 1,223,068.50 and 2,594,124
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.