Home / 264,818-405,175

Finding the Third Proportional to 264,818 and 405,175

Calculator

Solution

The third proportional to 264,818 and 405,175 is: 619,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,818 : 405,175 = 405,175 : x
  2. Step 2: Convert to fraction form
    264,818/405,175 = 405,175/x
  3. Step 3: Cross multiply
    264,818x = 405,175 × 405,175
  4. Step 4: Simplify right side
    264,818x = 164,166,780,625
  5. Step 5: Solve for x
    x = 164,166,780,625/264,818
  6. Step 6: Final answer
    x = 619,923.04

Related Problems

Find third proportional to 132,409 and 202,587.50
Half scale
Find third proportional to 529,636 and 810,350
Double scale
Find third proportional to 264,820 and 405,178
Similar ratio
Find third proportional to 397,227 and 607,762.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.