Home / 261,738-415,125

Finding the Third Proportional to 261,738 and 415,125

Calculator

Solution

The third proportional to 261,738 and 415,125 is: 658,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,738 : 415,125 = 415,125 : x
  2. Step 2: Convert to fraction form
    261,738/415,125 = 415,125/x
  3. Step 3: Cross multiply
    261,738x = 415,125 × 415,125
  4. Step 4: Simplify right side
    261,738x = 172,328,765,625
  5. Step 5: Solve for x
    x = 172,328,765,625/261,738
  6. Step 6: Final answer
    x = 658,401.78

Related Problems

Find third proportional to 130,869 and 207,562.50
Half scale
Find third proportional to 523,476 and 830,250
Double scale
Find third proportional to 261,740 and 415,128
Similar ratio
Find third proportional to 392,607 and 622,687.50
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.