Home / 405,086-887,930

Finding the Third Proportional to 405,086 and 887,930

Calculator

Solution

The third proportional to 405,086 and 887,930 is: 1,946,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,086 : 887,930 = 887,930 : x
  2. Step 2: Convert to fraction form
    405,086/887,930 = 887,930/x
  3. Step 3: Cross multiply
    405,086x = 887,930 × 887,930
  4. Step 4: Simplify right side
    405,086x = 788,419,684,900
  5. Step 5: Solve for x
    x = 788,419,684,900/405,086
  6. Step 6: Final answer
    x = 1,946,301.98

Related Problems

Find third proportional to 202,543 and 443,965
Half scale
Find third proportional to 810,172 and 1,775,860
Double scale
Find third proportional to 405,088 and 887,934
Similar ratio
Find third proportional to 607,629 and 1,331,895
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.