Home / 177,513-386,130

Finding the Third Proportional to 177,513 and 386,130

Calculator

Solution

The third proportional to 177,513 and 386,130 is: 839,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,513 : 386,130 = 386,130 : x
  2. Step 2: Convert to fraction form
    177,513/386,130 = 386,130/x
  3. Step 3: Cross multiply
    177,513x = 386,130 × 386,130
  4. Step 4: Simplify right side
    177,513x = 149,096,376,900
  5. Step 5: Solve for x
    x = 149,096,376,900/177,513
  6. Step 6: Final answer
    x = 839,918.07

Related Problems

Find third proportional to 88,756.50 and 193,065
Half scale
Find third proportional to 355,026 and 772,260
Double scale
Find third proportional to 177,515 and 386,134
Similar ratio
Find third proportional to 266,269.50 and 579,195
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.