Home / 327,460-489,168

Finding the Third Proportional to 327,460 and 489,168

Calculator

Solution

The third proportional to 327,460 and 489,168 is: 730,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,460 : 489,168 = 489,168 : x
  2. Step 2: Convert to fraction form
    327,460/489,168 = 489,168/x
  3. Step 3: Cross multiply
    327,460x = 489,168 × 489,168
  4. Step 4: Simplify right side
    327,460x = 239,285,332,224
  5. Step 5: Solve for x
    x = 239,285,332,224/327,460
  6. Step 6: Final answer
    x = 730,731.49

Related Problems

Find third proportional to 163,730 and 244,584
Half scale
Find third proportional to 654,920 and 978,336
Double scale
Find third proportional to 327,462 and 489,171
Similar ratio
Find third proportional to 491,190 and 733,752
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.