Home / 261,996-392,589

Finding the Third Proportional to 261,996 and 392,589

Calculator

Solution

The third proportional to 261,996 and 392,589 is: 588,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,996 : 392,589 = 392,589 : x
  2. Step 2: Convert to fraction form
    261,996/392,589 = 392,589/x
  3. Step 3: Cross multiply
    261,996x = 392,589 × 392,589
  4. Step 4: Simplify right side
    261,996x = 154,126,122,921
  5. Step 5: Solve for x
    x = 154,126,122,921/261,996
  6. Step 6: Final answer
    x = 588,276.63

Related Problems

Find third proportional to 130,998 and 196,294.50
Half scale
Find third proportional to 523,992 and 785,178
Double scale
Find third proportional to 261,998 and 392,592
Similar ratio
Find third proportional to 392,994 and 588,883.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.