Home / 323,918-668,584

Finding the Third Proportional to 323,918 and 668,584

Calculator

Solution

The third proportional to 323,918 and 668,584 is: 1,379,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,918 : 668,584 = 668,584 : x
  2. Step 2: Convert to fraction form
    323,918/668,584 = 668,584/x
  3. Step 3: Cross multiply
    323,918x = 668,584 × 668,584
  4. Step 4: Simplify right side
    323,918x = 447,004,565,056
  5. Step 5: Solve for x
    x = 447,004,565,056/323,918
  6. Step 6: Final answer
    x = 1,379,992.98

Related Problems

Find third proportional to 161,959 and 334,292
Half scale
Find third proportional to 647,836 and 1,337,168
Double scale
Find third proportional to 323,920 and 668,588
Similar ratio
Find third proportional to 485,877 and 1,002,876
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.