Home / 384,519-828,203

Finding the Third Proportional to 384,519 and 828,203

Calculator

Solution

The third proportional to 384,519 and 828,203 is: 1,783,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,519 : 828,203 = 828,203 : x
  2. Step 2: Convert to fraction form
    384,519/828,203 = 828,203/x
  3. Step 3: Cross multiply
    384,519x = 828,203 × 828,203
  4. Step 4: Simplify right side
    384,519x = 685,920,209,209
  5. Step 5: Solve for x
    x = 685,920,209,209/384,519
  6. Step 6: Final answer
    x = 1,783,839.57

Related Problems

Find third proportional to 192,259.50 and 414,101.50
Half scale
Find third proportional to 769,038 and 1,656,406
Double scale
Find third proportional to 384,521 and 828,207
Similar ratio
Find third proportional to 576,778.50 and 1,242,304.50
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.