Home / 321,780-482,049

Finding the Third Proportional to 321,780 and 482,049

Calculator

Solution

The third proportional to 321,780 and 482,049 is: 722,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,780 : 482,049 = 482,049 : x
  2. Step 2: Convert to fraction form
    321,780/482,049 = 482,049/x
  3. Step 3: Cross multiply
    321,780x = 482,049 × 482,049
  4. Step 4: Simplify right side
    321,780x = 232,371,238,401
  5. Step 5: Solve for x
    x = 232,371,238,401/321,780
  6. Step 6: Final answer
    x = 722,143.20

Related Problems

Find third proportional to 160,890 and 241,024.50
Half scale
Find third proportional to 643,560 and 964,098
Double scale
Find third proportional to 321,782 and 482,052
Similar ratio
Find third proportional to 482,670 and 723,073.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.