Home / 177,567-381,486

Finding the Third Proportional to 177,567 and 381,486

Calculator

Solution

The third proportional to 177,567 and 381,486 is: 819,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,567 : 381,486 = 381,486 : x
  2. Step 2: Convert to fraction form
    177,567/381,486 = 381,486/x
  3. Step 3: Cross multiply
    177,567x = 381,486 × 381,486
  4. Step 4: Simplify right side
    177,567x = 145,531,568,196
  5. Step 5: Solve for x
    x = 145,531,568,196/177,567
  6. Step 6: Final answer
    x = 819,586.79

Related Problems

Find third proportional to 88,783.50 and 190,743
Half scale
Find third proportional to 355,134 and 762,972
Double scale
Find third proportional to 177,569 and 381,490
Similar ratio
Find third proportional to 266,350.50 and 572,229
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.