Home / 210,630-273,249

Finding the Third Proportional to 210,630 and 273,249

Calculator

Solution

The third proportional to 210,630 and 273,249 is: 354,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,630 : 273,249 = 273,249 : x
  2. Step 2: Convert to fraction form
    210,630/273,249 = 273,249/x
  3. Step 3: Cross multiply
    210,630x = 273,249 × 273,249
  4. Step 4: Simplify right side
    210,630x = 74,665,016,001
  5. Step 5: Solve for x
    x = 74,665,016,001/210,630
  6. Step 6: Final answer
    x = 354,484.24

Related Problems

Find third proportional to 105,315 and 136,624.50
Half scale
Find third proportional to 421,260 and 546,498
Double scale
Find third proportional to 210,632 and 273,252
Similar ratio
Find third proportional to 315,945 and 409,873.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.