Home / 399,076-886,722

Finding the Third Proportional to 399,076 and 886,722

Calculator

Solution

The third proportional to 399,076 and 886,722 is: 1,970,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,076 : 886,722 = 886,722 : x
  2. Step 2: Convert to fraction form
    399,076/886,722 = 886,722/x
  3. Step 3: Cross multiply
    399,076x = 886,722 × 886,722
  4. Step 4: Simplify right side
    399,076x = 786,275,905,284
  5. Step 5: Solve for x
    x = 786,275,905,284/399,076
  6. Step 6: Final answer
    x = 1,970,241.02

Related Problems

Find third proportional to 199,538 and 443,361
Half scale
Find third proportional to 798,152 and 1,773,444
Double scale
Find third proportional to 399,078 and 886,726
Similar ratio
Find third proportional to 598,614 and 1,330,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.