Home / 211,408-440,304

Finding the Third Proportional to 211,408 and 440,304

Calculator

Solution

The third proportional to 211,408 and 440,304 is: 917,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,408 : 440,304 = 440,304 : x
  2. Step 2: Convert to fraction form
    211,408/440,304 = 440,304/x
  3. Step 3: Cross multiply
    211,408x = 440,304 × 440,304
  4. Step 4: Simplify right side
    211,408x = 193,867,612,416
  5. Step 5: Solve for x
    x = 193,867,612,416/211,408
  6. Step 6: Final answer
    x = 917,030.63

Related Problems

Find third proportional to 105,704 and 220,152
Half scale
Find third proportional to 422,816 and 880,608
Double scale
Find third proportional to 211,410 and 440,308
Similar ratio
Find third proportional to 317,112 and 660,456
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.