Home / 87,780-186,018

Finding the Third Proportional to 87,780 and 186,018

Calculator

Solution

The third proportional to 87,780 and 186,018 is: 394,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,780 : 186,018 = 186,018 : x
  2. Step 2: Convert to fraction form
    87,780/186,018 = 186,018/x
  3. Step 3: Cross multiply
    87,780x = 186,018 × 186,018
  4. Step 4: Simplify right side
    87,780x = 34,602,696,324
  5. Step 5: Solve for x
    x = 34,602,696,324/87,780
  6. Step 6: Final answer
    x = 394,197.95

Related Problems

Find third proportional to 43,890 and 93,009
Half scale
Find third proportional to 175,560 and 372,036
Double scale
Find third proportional to 87,782 and 186,022
Similar ratio
Find third proportional to 131,670 and 279,027
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.