Home / 330,799-717,609

Finding the Third Proportional to 330,799 and 717,609

Calculator

Solution

The third proportional to 330,799 and 717,609 is: 1,556,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,799 : 717,609 = 717,609 : x
  2. Step 2: Convert to fraction form
    330,799/717,609 = 717,609/x
  3. Step 3: Cross multiply
    330,799x = 717,609 × 717,609
  4. Step 4: Simplify right side
    330,799x = 514,962,676,881
  5. Step 5: Solve for x
    x = 514,962,676,881/330,799
  6. Step 6: Final answer
    x = 1,556,723.80

Related Problems

Find third proportional to 165,399.50 and 358,804.50
Half scale
Find third proportional to 661,598 and 1,435,218
Double scale
Find third proportional to 330,801 and 717,613
Similar ratio
Find third proportional to 496,198.50 and 1,076,413.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.