Home / 280,229-446,115

Finding the Third Proportional to 280,229 and 446,115

Calculator

Solution

The third proportional to 280,229 and 446,115 is: 710,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,229 : 446,115 = 446,115 : x
  2. Step 2: Convert to fraction form
    280,229/446,115 = 446,115/x
  3. Step 3: Cross multiply
    280,229x = 446,115 × 446,115
  4. Step 4: Simplify right side
    280,229x = 199,018,593,225
  5. Step 5: Solve for x
    x = 199,018,593,225/280,229
  6. Step 6: Final answer
    x = 710,199.85

Related Problems

Find third proportional to 140,114.50 and 223,057.50
Half scale
Find third proportional to 560,458 and 892,230
Double scale
Find third proportional to 280,231 and 446,118
Similar ratio
Find third proportional to 420,343.50 and 669,172.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.