Home / 7,786-18,185

Finding the Third Proportional to 7,786 and 18,185

Calculator

Solution

The third proportional to 7,786 and 18,185 is: 42,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786 : 18,185 = 18,185 : x
  2. Step 2: Convert to fraction form
    7,786/18,185 = 18,185/x
  3. Step 3: Cross multiply
    7,786x = 18,185 × 18,185
  4. Step 4: Simplify right side
    7,786x = 330,694,225
  5. Step 5: Solve for x
    x = 330,694,225/7,786
  6. Step 6: Final answer
    x = 42,472.93

Related Problems

Find third proportional to 3,893 and 9,092.50
Half scale
Find third proportional to 15,572 and 36,370
Double scale
Find third proportional to 7,788 and 18,190
Similar ratio
Find third proportional to 11,679 and 27,277.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.