Home / 327,481-489,193.50

Finding the Third Proportional to 327,481 and 489,193.50

Calculator

Solution

The third proportional to 327,481 and 489,193.50 is: 730,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,481 : 489,193.50 = 489,193.50 : x
  2. Step 2: Convert to fraction form
    327,481/489,193.50 = 489,193.50/x
  3. Step 3: Cross multiply
    327,481x = 489,193.50 × 489,193.50
  4. Step 4: Simplify right side
    327,481x = 239,310,280,442.25
  5. Step 5: Solve for x
    x = 239,310,280,442.25/327,481
  6. Step 6: Final answer
    x = 730,760.81

Related Problems

Find third proportional to 163,740.50 and 244,596.75
Half scale
Find third proportional to 654,962 and 978,387
Double scale
Find third proportional to 327,483 and 489,196
Similar ratio
Find third proportional to 491,221.50 and 733,790.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.