Home / 231,606-488,115

Finding the Third Proportional to 231,606 and 488,115

Calculator

Solution

The third proportional to 231,606 and 488,115 is: 1,028,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,606 : 488,115 = 488,115 : x
  2. Step 2: Convert to fraction form
    231,606/488,115 = 488,115/x
  3. Step 3: Cross multiply
    231,606x = 488,115 × 488,115
  4. Step 4: Simplify right side
    231,606x = 238,256,253,225
  5. Step 5: Solve for x
    x = 238,256,253,225/231,606
  6. Step 6: Final answer
    x = 1,028,713.65

Related Problems

Find third proportional to 115,803 and 244,057.50
Half scale
Find third proportional to 463,212 and 976,230
Double scale
Find third proportional to 231,608 and 488,119
Similar ratio
Find third proportional to 347,409 and 732,172.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.