Home / 384,520-828,205

Finding the Third Proportional to 384,520 and 828,205

Calculator

Solution

The third proportional to 384,520 and 828,205 is: 1,783,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,520 : 828,205 = 828,205 : x
  2. Step 2: Convert to fraction form
    384,520/828,205 = 828,205/x
  3. Step 3: Cross multiply
    384,520x = 828,205 × 828,205
  4. Step 4: Simplify right side
    384,520x = 685,923,522,025
  5. Step 5: Solve for x
    x = 685,923,522,025/384,520
  6. Step 6: Final answer
    x = 1,783,843.55

Related Problems

Find third proportional to 192,260 and 414,102.50
Half scale
Find third proportional to 769,040 and 1,656,410
Double scale
Find third proportional to 384,522 and 828,209
Similar ratio
Find third proportional to 576,780 and 1,242,307.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.