Home / 68,238-148,130

Finding the Third Proportional to 68,238 and 148,130

Calculator

Solution

The third proportional to 68,238 and 148,130 is: 321,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,238 : 148,130 = 148,130 : x
  2. Step 2: Convert to fraction form
    68,238/148,130 = 148,130/x
  3. Step 3: Cross multiply
    68,238x = 148,130 × 148,130
  4. Step 4: Simplify right side
    68,238x = 21,942,496,900
  5. Step 5: Solve for x
    x = 21,942,496,900/68,238
  6. Step 6: Final answer
    x = 321,558.32

Related Problems

Find third proportional to 34,119 and 74,065
Half scale
Find third proportional to 136,476 and 296,260
Double scale
Find third proportional to 68,240 and 148,134
Similar ratio
Find third proportional to 102,357 and 222,195
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.