Home / 223,376-486,915

Finding the Third Proportional to 223,376 and 486,915

Calculator

Solution

The third proportional to 223,376 and 486,915 is: 1,061,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,376 : 486,915 = 486,915 : x
  2. Step 2: Convert to fraction form
    223,376/486,915 = 486,915/x
  3. Step 3: Cross multiply
    223,376x = 486,915 × 486,915
  4. Step 4: Simplify right side
    223,376x = 237,086,217,225
  5. Step 5: Solve for x
    x = 237,086,217,225/223,376
  6. Step 6: Final answer
    x = 1,061,377.31

Related Problems

Find third proportional to 111,688 and 243,457.50
Half scale
Find third proportional to 446,752 and 973,830
Double scale
Find third proportional to 223,378 and 486,919
Similar ratio
Find third proportional to 335,064 and 730,372.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.