Home / 218,460-329,232

Finding the Third Proportional to 218,460 and 329,232

Calculator

Solution

The third proportional to 218,460 and 329,232 is: 496,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,460 : 329,232 = 329,232 : x
  2. Step 2: Convert to fraction form
    218,460/329,232 = 329,232/x
  3. Step 3: Cross multiply
    218,460x = 329,232 × 329,232
  4. Step 4: Simplify right side
    218,460x = 108,393,709,824
  5. Step 5: Solve for x
    x = 108,393,709,824/218,460
  6. Step 6: Final answer
    x = 496,171.88

Related Problems

Find third proportional to 109,230 and 164,616
Half scale
Find third proportional to 436,920 and 658,464
Double scale
Find third proportional to 218,462 and 329,235
Similar ratio
Find third proportional to 327,690 and 493,848
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.