Home / 131,558-285,292

Finding the Third Proportional to 131,558 and 285,292

Calculator

Solution

The third proportional to 131,558 and 285,292 is: 618,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,558 : 285,292 = 285,292 : x
  2. Step 2: Convert to fraction form
    131,558/285,292 = 285,292/x
  3. Step 3: Cross multiply
    131,558x = 285,292 × 285,292
  4. Step 4: Simplify right side
    131,558x = 81,391,525,264
  5. Step 5: Solve for x
    x = 81,391,525,264/131,558
  6. Step 6: Final answer
    x = 618,674.08

Related Problems

Find third proportional to 65,779 and 142,646
Half scale
Find third proportional to 263,116 and 570,584
Double scale
Find third proportional to 131,560 and 285,296
Similar ratio
Find third proportional to 197,337 and 427,938
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.