Home / 75,186-155,142

Finding the Third Proportional to 75,186 and 155,142

Calculator

Solution

The third proportional to 75,186 and 155,142 is: 320,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,186 : 155,142 = 155,142 : x
  2. Step 2: Convert to fraction form
    75,186/155,142 = 155,142/x
  3. Step 3: Cross multiply
    75,186x = 155,142 × 155,142
  4. Step 4: Simplify right side
    75,186x = 24,069,040,164
  5. Step 5: Solve for x
    x = 24,069,040,164/75,186
  6. Step 6: Final answer
    x = 320,126.62

Related Problems

Find third proportional to 37,593 and 77,571
Half scale
Find third proportional to 150,372 and 310,284
Double scale
Find third proportional to 75,188 and 155,146
Similar ratio
Find third proportional to 112,779 and 232,713
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.