Home / 306,230-447,249

Finding the Third Proportional to 306,230 and 447,249

Calculator

Solution

The third proportional to 306,230 and 447,249 is: 653,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,230 : 447,249 = 447,249 : x
  2. Step 2: Convert to fraction form
    306,230/447,249 = 447,249/x
  3. Step 3: Cross multiply
    306,230x = 447,249 × 447,249
  4. Step 4: Simplify right side
    306,230x = 200,031,668,001
  5. Step 5: Solve for x
    x = 200,031,668,001/306,230
  6. Step 6: Final answer
    x = 653,207.29

Related Problems

Find third proportional to 153,115 and 223,624.50
Half scale
Find third proportional to 612,460 and 894,498
Double scale
Find third proportional to 306,232 and 447,252
Similar ratio
Find third proportional to 459,345 and 670,873.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.