Home / 86,794-178,780

Finding the Third Proportional to 86,794 and 178,780

Calculator

Solution

The third proportional to 86,794 and 178,780 is: 368,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,794 : 178,780 = 178,780 : x
  2. Step 2: Convert to fraction form
    86,794/178,780 = 178,780/x
  3. Step 3: Cross multiply
    86,794x = 178,780 × 178,780
  4. Step 4: Simplify right side
    86,794x = 31,962,288,400
  5. Step 5: Solve for x
    x = 31,962,288,400/86,794
  6. Step 6: Final answer
    x = 368,254.58

Related Problems

Find third proportional to 43,397 and 89,390
Half scale
Find third proportional to 173,588 and 357,560
Double scale
Find third proportional to 86,796 and 178,784
Similar ratio
Find third proportional to 130,191 and 268,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.