Home / 198,600-432,216

Finding the Third Proportional to 198,600 and 432,216

Calculator

Solution

The third proportional to 198,600 and 432,216 is: 940,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,600 : 432,216 = 432,216 : x
  2. Step 2: Convert to fraction form
    198,600/432,216 = 432,216/x
  3. Step 3: Cross multiply
    198,600x = 432,216 × 432,216
  4. Step 4: Simplify right side
    198,600x = 186,810,670,656
  5. Step 5: Solve for x
    x = 186,810,670,656/198,600
  6. Step 6: Final answer
    x = 940,637.82

Related Problems

Find third proportional to 99,300 and 216,108
Half scale
Find third proportional to 397,200 and 864,432
Double scale
Find third proportional to 198,602 and 432,220
Similar ratio
Find third proportional to 297,900 and 648,324
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.