Home / 115,214-178,812

Finding the Third Proportional to 115,214 and 178,812

Calculator

Solution

The third proportional to 115,214 and 178,812 is: 277,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,214 : 178,812 = 178,812 : x
  2. Step 2: Convert to fraction form
    115,214/178,812 = 178,812/x
  3. Step 3: Cross multiply
    115,214x = 178,812 × 178,812
  4. Step 4: Simplify right side
    115,214x = 31,973,731,344
  5. Step 5: Solve for x
    x = 31,973,731,344/115,214
  6. Step 6: Final answer
    x = 277,516.03

Related Problems

Find third proportional to 57,607 and 89,406
Half scale
Find third proportional to 230,428 and 357,624
Double scale
Find third proportional to 115,216 and 178,815
Similar ratio
Find third proportional to 172,821 and 268,218
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.