Home / 75,138-177,693

Finding the Third Proportional to 75,138 and 177,693

Calculator

Solution

The third proportional to 75,138 and 177,693 is: 420,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,138 : 177,693 = 177,693 : x
  2. Step 2: Convert to fraction form
    75,138/177,693 = 177,693/x
  3. Step 3: Cross multiply
    75,138x = 177,693 × 177,693
  4. Step 4: Simplify right side
    75,138x = 31,574,802,249
  5. Step 5: Solve for x
    x = 31,574,802,249/75,138
  6. Step 6: Final answer
    x = 420,224.15

Related Problems

Find third proportional to 37,569 and 88,846.50
Half scale
Find third proportional to 150,276 and 355,386
Double scale
Find third proportional to 75,140 and 177,698
Similar ratio
Find third proportional to 112,707 and 266,539.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.