Home / 136,246-329,680

Finding the Third Proportional to 136,246 and 329,680

Calculator

Solution

The third proportional to 136,246 and 329,680 is: 797,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,246 : 329,680 = 329,680 : x
  2. Step 2: Convert to fraction form
    136,246/329,680 = 329,680/x
  3. Step 3: Cross multiply
    136,246x = 329,680 × 329,680
  4. Step 4: Simplify right side
    136,246x = 108,688,902,400
  5. Step 5: Solve for x
    x = 108,688,902,400/136,246
  6. Step 6: Final answer
    x = 797,740.13

Related Problems

Find third proportional to 68,123 and 164,840
Half scale
Find third proportional to 272,492 and 659,360
Double scale
Find third proportional to 136,248 and 329,685
Similar ratio
Find third proportional to 204,369 and 494,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.