Home / 121,162-248,368

Finding the Third Proportional to 121,162 and 248,368

Calculator

Solution

The third proportional to 121,162 and 248,368 is: 509,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162 : 248,368 = 248,368 : x
  2. Step 2: Convert to fraction form
    121,162/248,368 = 248,368/x
  3. Step 3: Cross multiply
    121,162x = 248,368 × 248,368
  4. Step 4: Simplify right side
    121,162x = 61,686,663,424
  5. Step 5: Solve for x
    x = 61,686,663,424/121,162
  6. Step 6: Final answer
    x = 509,125.50

Related Problems

Find third proportional to 60,581 and 124,184
Half scale
Find third proportional to 242,324 and 496,736
Double scale
Find third proportional to 121,164 and 248,372
Similar ratio
Find third proportional to 181,743 and 372,552
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.