Home / 366,872.50-489,209

Finding the Third Proportional to 366,872.50 and 489,209

Calculator

Solution

The third proportional to 366,872.50 and 489,209 is: 652,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,872.50 : 489,209 = 489,209 : x
  2. Step 2: Convert to fraction form
    366,872.50/489,209 = 489,209/x
  3. Step 3: Cross multiply
    366,872.50x = 489,209 × 489,209
  4. Step 4: Simplify right side
    366,872.50x = 239,325,445,681
  5. Step 5: Solve for x
    x = 239,325,445,681/366,872.50
  6. Step 6: Final answer
    x = 652,339.56

Related Problems

Find third proportional to 183,436.25 and 244,604.50
Half scale
Find third proportional to 733,745 and 978,418
Double scale
Find third proportional to 366,875 and 489,212
Similar ratio
Find third proportional to 550,308.75 and 733,813.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.