Home / 103,628-221,958

Finding the Third Proportional to 103,628 and 221,958

Calculator

Solution

The third proportional to 103,628 and 221,958 is: 475,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628 : 221,958 = 221,958 : x
  2. Step 2: Convert to fraction form
    103,628/221,958 = 221,958/x
  3. Step 3: Cross multiply
    103,628x = 221,958 × 221,958
  4. Step 4: Simplify right side
    103,628x = 49,265,353,764
  5. Step 5: Solve for x
    x = 49,265,353,764/103,628
  6. Step 6: Final answer
    x = 475,405.81

Related Problems

Find third proportional to 51,814 and 110,979
Half scale
Find third proportional to 207,256 and 443,916
Double scale
Find third proportional to 103,630 and 221,962
Similar ratio
Find third proportional to 155,442 and 332,937
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.