Home / 149,580-329,520

Finding the Third Proportional to 149,580 and 329,520

Calculator

Solution

The third proportional to 149,580 and 329,520 is: 725,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,580 : 329,520 = 329,520 : x
  2. Step 2: Convert to fraction form
    149,580/329,520 = 329,520/x
  3. Step 3: Cross multiply
    149,580x = 329,520 × 329,520
  4. Step 4: Simplify right side
    149,580x = 108,583,430,400
  5. Step 5: Solve for x
    x = 108,583,430,400/149,580
  6. Step 6: Final answer
    x = 725,922.12

Related Problems

Find third proportional to 74,790 and 164,760
Half scale
Find third proportional to 299,160 and 659,040
Double scale
Find third proportional to 149,582 and 329,524
Similar ratio
Find third proportional to 224,370 and 494,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.