Home / 190,206-290,385

Finding the Third Proportional to 190,206 and 290,385

Calculator

Solution

The third proportional to 190,206 and 290,385 is: 443,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206 : 290,385 = 290,385 : x
  2. Step 2: Convert to fraction form
    190,206/290,385 = 290,385/x
  3. Step 3: Cross multiply
    190,206x = 290,385 × 290,385
  4. Step 4: Simplify right side
    190,206x = 84,323,448,225
  5. Step 5: Solve for x
    x = 84,323,448,225/190,206
  6. Step 6: Final answer
    x = 443,326.96

Related Problems

Find third proportional to 95,103 and 145,192.50
Half scale
Find third proportional to 380,412 and 580,770
Double scale
Find third proportional to 190,208 and 290,388
Similar ratio
Find third proportional to 285,309 and 435,577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.