Home / 8,618-19,185

Finding the Third Proportional to 8,618 and 19,185

Calculator

Solution

The third proportional to 8,618 and 19,185 is: 42,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618 : 19,185 = 19,185 : x
  2. Step 2: Convert to fraction form
    8,618/19,185 = 19,185/x
  3. Step 3: Cross multiply
    8,618x = 19,185 × 19,185
  4. Step 4: Simplify right side
    8,618x = 368,064,225
  5. Step 5: Solve for x
    x = 368,064,225/8,618
  6. Step 6: Final answer
    x = 42,708.78

Related Problems

Find third proportional to 4,309 and 9,592.50
Half scale
Find third proportional to 17,236 and 38,370
Double scale
Find third proportional to 8,620 and 19,189
Similar ratio
Find third proportional to 12,927 and 28,777.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.