Home / 236,538-516,780

Finding the Third Proportional to 236,538 and 516,780

Calculator

Solution

The third proportional to 236,538 and 516,780 is: 1,129,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,538 : 516,780 = 516,780 : x
  2. Step 2: Convert to fraction form
    236,538/516,780 = 516,780/x
  3. Step 3: Cross multiply
    236,538x = 516,780 × 516,780
  4. Step 4: Simplify right side
    236,538x = 267,061,568,400
  5. Step 5: Solve for x
    x = 267,061,568,400/236,538
  6. Step 6: Final answer
    x = 1,129,042.98

Related Problems

Find third proportional to 118,269 and 258,390
Half scale
Find third proportional to 473,076 and 1,033,560
Double scale
Find third proportional to 236,540 and 516,784
Similar ratio
Find third proportional to 354,807 and 775,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.