Home / 399,888-844,731

Finding the Third Proportional to 399,888 and 844,731

Calculator

Solution

The third proportional to 399,888 and 844,731 is: 1,784,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,888 : 844,731 = 844,731 : x
  2. Step 2: Convert to fraction form
    399,888/844,731 = 844,731/x
  3. Step 3: Cross multiply
    399,888x = 844,731 × 844,731
  4. Step 4: Simplify right side
    399,888x = 713,570,462,361
  5. Step 5: Solve for x
    x = 713,570,462,361/399,888
  6. Step 6: Final answer
    x = 1,784,425.80

Related Problems

Find third proportional to 199,944 and 422,365.50
Half scale
Find third proportional to 799,776 and 1,689,462
Double scale
Find third proportional to 399,890 and 844,735
Similar ratio
Find third proportional to 599,832 and 1,267,096.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.